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8 Types of Witty Email Subject Lines That Convert in 2026

In the crowded world of e-commerce, the first line of engagement is the inbox. A generic subject line gets ignored, but a clever one gets clicked. This is the difference between a sale and a missed opportunity. Your customer's attention is the most valuable currency, and earning it starts with that single, powerful line of text.


This guide breaks down the science and art behind witty email subject lines that don't just entertain, they convert. We'll move beyond generic advice and explore eight powerful frameworks used by top Shopify brands, complete with actionable examples, strategic analysis, and A/B testing tips. You will learn precisely how to craft compelling hooks that capture attention, drive opens, and ultimately, boost your store's revenue. These strategies are the building blocks for turning casual browsers into loyal customers.


Whether you're recovering abandoned carts or launching a new collection, mastering this skill is crucial. While executing these campaigns, it's important to choose the right platform. When exploring email marketing platforms to implement your witty subject lines and automation, tools like Brevo can be invaluable; this detailed Brevo Review provides a comprehensive look at its features. Let's dive into the frameworks that will give you a competitive edge without the guesswork.


1. The Curiosity Gap (Question-Based Hooks)


The curiosity gap is a powerful psychological tool that leverages the brain's natural desire for closure. By posing an intriguing question in your subject line, you create an "information gap" that the recipient feels compelled to close by opening your email. This technique transforms a simple subject line into a witty, irresistible hook.


A laptop on a wooden desk with a plant, a pencil, and a 'Curiosity Hook' overlay with a question mark.


This method is particularly effective for re-engagement, such as in cart and browse abandonment flows. Instead of a direct "You left something behind," a question like "Did you forget something important?" feels more personal and less transactional, sparking intrigue.


Strategic Breakdown & Examples


This approach works because it shifts the dynamic from a brand broadcasting a message to a brand starting a conversation. It's a subtle but significant change that can dramatically improve engagement.


  • For Abandoned Carts: "Still thinking about it?" This question is gentle, relatable, and directly addresses the customer's recent action without being pushy. Brands like ASOS and Everlane use this to re-engage shoppers who are on the fence.

  • For New Product Teasers: "What if your [common problem] could be solved tomorrow?" This builds anticipation and frames the product as a solution before the customer even sees it.

  • For General Engagement: "One thing you might have missed..." This creates a sense of exclusivity and hints at valuable information, making it one of the most effective witty email subject lines for driving opens.


Actionable Takeaways for Shopify Merchants


To implement this strategy effectively, focus on precision and relevance. A generic question will fall flat, but a specific, well-timed one can work wonders.


Key Insight: The most successful curiosity-based subject lines are directly tied to a customer's recent behavior. Personalization is what makes the question feel genuine rather than like a generic marketing gimmick.

Use these tips to get started:


  • Keep it Short: Aim for 50 characters or less to ensure the full question is visible on mobile previews.

  • A/B Test Vigorously: Test a question-based hook against a direct statement in your welcome and abandonment flows. You can find more details on how to effectively track these metrics and boost your click-through and open rates here.

  • Align Question with Goal: Use playful questions for browse abandonment ("See something you liked?") and more urgent ones for cart abandonment ("Ready to complete your look?").


2. The Number Play (Specific Numbers & Statistics)


Using specific numbers in your subject lines is a classic copywriting technique that cuts through the noise of a crowded inbox. The human brain is hardwired to notice digits, processing them faster than words and assigning them a higher degree of credibility and tangibility. This makes numbers a powerful tool for conveying value, scarcity, or urgency instantly.


A hand holds a smartphone displaying large numbers 25 and 32, with a green tag and 'USE NUMBERS'.


This method is especially potent for promotional campaigns and scarcity-driven flows. A subject line like "Sale ends soon" is vague, but "Your 25% off coupon expires in 24 hours" provides concrete, time-sensitive information that encourages immediate action. This transforms a generic announcement into a specific, compelling reason to open the email.


Strategic Breakdown & Examples


This approach works by replacing abstract concepts with concrete figures. Instead of just promising value, you are quantifying it, which builds trust and clarifies the offer. It's a direct and effective way to communicate your message.


  • For Promotional Campaigns: "48-hour flash sale: 30% off bestsellers." Brands like Nike and Sephora use this to create a clear window of opportunity, combining a specific discount with a firm deadline to maximize urgency.

  • For Scarcity and FOMO: "Only 3 left in your size." This is one of the most effective witty email subject lines for driving conversions on high-demand items, as it signals low stock and prompts an immediate purchase decision.

  • For Win-Back and Loyalty: "Your $25 credit expires tonight." Assigning a specific dollar value to a loyalty reward makes it feel more tangible and valuable than a generic "We miss you" email.


Actionable Takeaways for Shopify Merchants


To master the number play, focus on specificity and segmentation. The right number for the right customer at the right time is what turns a good subject line into a great one.


Key Insight: The power of a number is magnified when it's directly relevant to the recipient's status or interest. Tailor offers to customer lifetime value; a high-value customer might respond better to a "$50 off" offer, while a new subscriber may be more enticed by "20% off your first order."

Use these tips to integrate numbers effectively:


  • Be Specific and Honest: If you state "Only 5 left," ensure your inventory data is accurate. If it’s a "48-hour sale," make sure the offer truly ends, which builds trust for future promotions.

  • Test Different Number Types: A/B test percentage-based discounts (20% off) against dollar-based discounts ($15 off) to see what resonates with different customer segments.

  • Combine with Urgency: Pair numbers with time-sensitive language (e.g., "ends in 12 hours," "final 2 days") to create a powerful one-two punch that drives action.


3. The Pattern Interrupt (Unexpected Punctuation & Formatting)


A pattern interrupt is a technique designed to break through the monotonous sea of standard inbox formatting. By using unexpected punctuation, symbols, emojis, or even intentional lowercase, you create a visual disruption that stops scrollers in their tracks. This cognitive jolt forces a recipient's brain to pause and process, making your email stand out purely based on its appearance.


A top-down view of a desk with a laptop, green plant, notebook, ruler, and patterned cards.


This method is highly effective for brands with a playful or modern identity, such as those in fashion, beauty, or direct-to-consumer lifestyle products. Brands like Glossier and Urban Outfitters pioneered this casual, conversational style, making their marketing feel more like a message from a friend than a corporation.


Strategic Breakdown & Examples


The core strategy here is to defy expectations. A subscriber's inbox is a predictable environment; breaking that pattern with something visually distinct immediately draws attention and implies a different kind of message-one that is often more personal, urgent, or exciting.


  • To Signal Urgency: The use of brackets instantly frames the message as important and different from the promotional emails surrounding it.

  • For Conversational Announcements: The lowercase start and ellipsis create a conspiratorial, friendly tone, while the emoji adds a playful, modern touch.

  • To Announce Restocks: Using a hyphen for emphasis and a relevant emoji makes the announcement feel more dynamic and exciting than a standard notification.


Actionable Takeaways for Shopify Merchants


To leverage this strategy, the key is subtlety and brand alignment. Overuse can look like spam, but a strategically placed emoji or unconventional capitalization can significantly boost open rates, especially with younger audiences.


Key Insight: The goal of a pattern interrupt is not just to be different, but to use that difference to communicate tone. A lowercase subject line feels personal, brackets feel official, and an emoji can convey excitement in a single character.

Follow these tips to implement this method:


  • Prioritize Brand Voice: Ensure your choice of punctuation or emojis aligns with your brand. A luxury brand might use a subtle, elegant symbol, while a streetwear brand can be more playful.

  • Test Emoji Rendering: Before sending, use a tool to preview how your subject line will appear across major email clients like Gmail, Outlook, and Apple Mail. A broken emoji can ruin the effect.

  • Avoid Spam Triggers: Steer clear of excessive capitalization, multiple exclamation points (!!!), or a string of random symbols, as these are common spam filter triggers. One or two well-placed elements are far more effective.


4. The Benefit-Driven Teaser (Pain-Point Acknowledgment)


This technique combines empathy with intrigue by acknowledging a customer's specific pain point while subtly hinting at a solution. The goal is to make the recipient feel understood, creating an emotional connection that prompts them to open the email and discover how your product can help. It's a powerful way to frame your message around their needs, not just your products.


A personalized envelope with 'First Name' and a card saying 'MAKE IT PERSONAL' on a laptop keyboard.


This method moves beyond generic marketing by addressing real customer challenges. For a skincare brand like Glossier, acknowledging the pain of a complicated routine and offering a simplified solution resonates deeply. Similarly, Away addresses the decision paralysis that comes with travel, positioning its products as the clear, easy choice.


Strategic Breakdown & Examples


This approach is effective because it leads with empathy. By showing you understand a customer's problem, you build trust and position your brand as a helpful guide rather than just a seller. This creates some of the most effective witty email subject lines for building long-term loyalty.


  • For Browse Abandonment: "Overwhelmed by too many options? Here are our top picks." This subject line acknowledges the common feeling of choice paralysis and offers a curated, helpful solution.

  • For Replenishment Reminders: "Running low on your favorite? We just restocked." This anticipates a customer's need before it becomes a problem, turning a simple restock notice into a timely and thoughtful reminder.

  • For Win-Back Campaigns: "Winter's coming. Your cart has what you need." This creates a sense of urgency tied to a real-world event (the changing season) while reminding the customer of their previously considered items.


Actionable Takeaways for Shopify Merchants


Success with this strategy depends entirely on accurate customer data. Use browsing history, past purchases, and cart contents to identify and address relevant pain points with precision.


Key Insight: The most impactful pain-point subject lines feel less like marketing and more like a helpful friend offering timely advice. The key is to connect a specific customer behavior to a common, related problem.

Follow these tips to implement this approach:


  • Leverage Behavioral Data: Use a customer's browse history to personalize the acknowledged pain point. For example, if they viewed multiple winter coats, a subject line like "Finding the perfect winter coat is tough. We can help." is highly relevant.

  • Keep it Conversational: Your tone should be empathetic and human. Avoid overly formal language or aggressive sales jargon that can undermine the feeling of genuine help.

  • Test Specificity: A/B test a general pain point ("Tired of your old routine?") against a hyper-specific one ("Still struggling with that perfect skincare combo?"). You might find that specificity dramatically increases open rates for engaged segments.


5. The Social Proof Reference (FOMO + Authority)


Social proof is a psychological phenomenon where people assume the actions of others reflect correct behavior for a given situation. This principle, popularized by psychologist Robert Cialdini, is a cornerstone of e-commerce marketing. By referencing other customers, trending items, or limited availability, you create a powerful combination of authority and FOMO (fear of missing out), making your subject line a compelling nudge to open.


This technique transforms a promotional email into a social event. Instead of simply saying "Buy this," you're saying "Look what everyone else is buying." This shift in perspective makes the message feel less like a sales pitch and more like a valuable insider tip, tapping into the basic human desire to be part of a group and make smart, validated choices.


Strategic Breakdown & Examples


This approach is effective because it builds trust and urgency simultaneously. It shows that your products are desirable and that the opportunity to purchase them might be fleeting. Brands like Supreme and Glossier have built entire communities around this concept of shared interest and scarcity.


  • For Bestsellers: "Trending now: [Product Name] (see why everyone loves it)" This directly highlights popularity and piques curiosity about the product's appeal.

  • For High-Demand Items: "This sold out in 24 hours last season..." This creates a history of demand and implies it will happen again, urging immediate action for a restock.

  • For Exclusivity: "Exclusive: Early access for VIP members only" This is one of the most effective witty email subject lines for rewarding loyal customers and making them feel special, strengthening brand affinity.


Actionable Takeaways for Shopify Merchants


To leverage social proof, your subject lines must be authentic and backed by data. Vague claims can undermine trust, while specific, data-driven statements build credibility and drive conversions.


Key Insight: The power of social proof lies in its specificity. "212 people bought this today" is far more believable and impactful than "Our most popular item." Real numbers create real urgency.

Use these tips to integrate social proof effectively:


  • Automate with Real Data: Connect your email platform with Shopify sales data to auto-populate subject lines like "Join [X] customers who bought this today." This ensures authenticity.

  • Segment Your Messaging: Show higher purchase counts to hesitant first-time buyers to build confidence. For VIPs, focus on exclusivity ("A special restock just for you").

  • Align with Inventory: Trigger automated emails with subject lines like "Going fast..." or "Almost gone!" when a product's stock level drops below a certain threshold (e.g., 20%).

  • Pair with In-Email Proof: Ensure the email body reinforces the subject line with testimonials, star ratings, or user-generated content to maintain consistency and maximize impact.


6. The Personalization Play (Name, Purchase History, Preferences)


The personalization play moves beyond generic broadcasts to make each recipient feel uniquely seen and addressed. By incorporating dynamic fields like the customer's first name, recent browsing history, or past purchase categories, you create instant relevance and recognition in a crowded inbox. It’s the digital equivalent of a favorite barista remembering your name and coffee order.


This technique is a cornerstone of modern email marketing, used by giants like Netflix and Amazon to recommend content and products with uncanny accuracy. It transforms a standard marketing message into a helpful, one-to-one conversation, making it one of the most effective strategies for crafting witty email subject lines that build loyalty.


Strategic Breakdown & Examples


This approach works because it leverages data to prove you understand the customer's individual needs and preferences. It’s a powerful signal that your email contains information specifically curated for them, drastically increasing the likelihood of an open.


  • For Abandoned Carts: "[First Name], complete your [last product viewed] look." This goes a step beyond a generic reminder by naming the specific product, jogging the customer's memory and reigniting their initial interest.

  • For Product Recommendations: "Hey [First Name], 3 new arrivals in [your favorite category] just dropped." This is far more compelling than a general "New arrivals are here" email. It shows you're paying attention to their tastes, a tactic mastered by brands like Stitch Fix.

  • For Exclusive Offers: "[First Name], we saved 15% just for you." Using the recipient's name makes a generic offer feel like a personal, exclusive gift, boosting its perceived value and urgency.


Actionable Takeaways for Shopify Merchants


Effective personalization hinges on accurate and strategic data segmentation. Start simple and layer in complexity as you gather more customer insights.


Key Insight: The most powerful personalization combines multiple data points. A subject line using a customer's name and their favorite product category is exponentially more effective than one using their name alone.

Use these tips to implement this strategy:


  • Start with the Name: Simply adding to your subject lines is a proven way to increase open rates. A/B test this as your baseline.

  • Leverage Purchase History: Use Shopify customer tags to segment users by purchase tier or category preference. Create subject lines like, "A VIP offer for you, [First Name]." Learn more about how to set this up with 10 email segmentation best practices for your store.

  • Test Name Placement: Compare the performance of placing the name at the beginning ("[First Name], your order...") versus in the middle ("An update on your order, [First Name]..."). The latter can sometimes feel more natural and less automated.


7. The Power Words (Psychological Triggers & Action Verbs)


Power words are specific, psychologically-persuasive words that trigger a strong emotional or cognitive response. They aren't just descriptive; they are action-oriented and have been proven through millions of A/B tests to increase engagement. Words like 'unlock,' 'discover,' 'exclusive,' and 'proven' tap into core human desires for novelty, exclusivity, and social proof, making your subject line instantly more compelling.


This technique moves beyond simple descriptions to create a sense of urgency, curiosity, or value. Instead of saying "Our new collection is here," a subject line like "Discover the collection everyone's talking about" feels more exciting and implies a social trend the recipient won't want to miss. It’s a subtle shift that makes for undeniably witty email subject lines that also drive action.


Strategic Breakdown & Examples


The effectiveness of power words lies in their ability to convey a significant benefit in a single word. They act as a shortcut to capturing attention in a crowded inbox, which is a critical first step for any email marketing campaign.


  • To Drive Exclusivity: "Unlock your exclusive 40% discount." The word 'unlock' suggests a hidden benefit that only the recipient can access, making the offer feel more valuable and personal.

  • For Product Launches: "New arrival alert: The [Category] you've been waiting for." 'New' is one of the most powerful words in marketing, tapping into our innate attraction to novelty and freshness.

  • To Build Trust: "Proven: Why 10,000+ customers chose our [Product]." 'Proven' immediately establishes credibility and leverages social proof to reduce purchase anxiety.

  • To Create Urgency: "Limited: This sell-out item restocked for 48 hours." 'Limited' is a classic scarcity trigger that motivates immediate action by highlighting potential loss.


Actionable Takeaways for Shopify Merchants


Strategically deploying power words requires a nuanced understanding of your goal for each email. The key is to match the word to the campaign's objective and your audience's mindset.


Key Insight: The best power words align with the specific action you want the customer to take. Use 'discover' for browsing, 'unlock' for offers, and 'limited' for time-sensitive sales to create a clear, compelling call to action right in the subject line.

Use these tips to integrate power words effectively:


  • Avoid Stacking: Resist the temptation to use too many power words in one subject line. "Unlock your exclusive limited offer now" can sound spammy and manipulative, potentially harming your deliverability. Find out more about how to protect your sender reputation and improve email deliverability here.

  • Context is Crucial: A power word is only effective if it aligns with the email's content. Using 'Urgent' for a routine newsletter will quickly lead to audience fatigue and mistrust.

  • Rotate and Test: Don't overuse the same power words. Rotate them across different campaigns and use A/B testing to identify which ones resonate most with your audience segments.


8. The Unexpected Reveal (Witty Wordplay, Puns & Humor)


Humor is a powerful tool for creating an instant emotional connection. By using clever wordplay, puns, or unexpected phrasing, your subject line can stand out in a crowded inbox, elicit a smile, and make your brand more memorable and relatable. This technique replaces a hard sell with a moment of delight.


This method works exceptionally well for brands with a strong, personality-driven voice, such as those in the fashion, beauty, or lifestyle sectors. Instead of a direct "New Shoe Sale," a punny alternative like "We're not trying to shoe-horn this in, but..." creates a friendlier, more conversational entry point that encourages opens out of sheer enjoyment.


Strategic Breakdown & Examples


This approach is about building brand affinity through personality. It signals to the customer that you don't take yourself too seriously, which can be a refreshing change from typical corporate messaging. It’s one of the most effective ways to craft witty email subject lines that feel human.


  • For Product Launches: "Time to turnip the beet." This example, perfect for a farm-to-table or grocery brand, is playful and directly related to the product. It makes a mundane announcement feel fun.

  • For Seasonal Promotions: "Fleece Navidad." Used for a holiday collection of warm apparel, this pun is timely, clever, and instantly communicates the email's content in a festive way. Brands like Everlane and ASOS excel at this.

  • For Re-engagement: "We need to talk about your tights (no, it's good)." This creates playful misdirection. The subject line starts with a serious tone but quickly reassures the reader, sparking curiosity about a new product or offer.


Actionable Takeaways for Shopify Merchants


To use humor effectively, it must align perfectly with your brand voice and be instantly understood by your audience. A confusing pun is worse than no pun at all.


Key Insight: The best puns are product-specific and simple. The reader should "get" the joke in under three seconds without having to overthink it. If the humor feels forced, it will fall flat and undermine your message.

Use these tips to get started:


  • Know Your Audience: Test witty subject lines with your core audience first. If your brand is corporate or luxury, this approach is riskier and should be used with caution or avoided entirely.

  • Keep it Brief: Puns lose their punch if they are too long. Aim for brevity to ensure the joke lands immediately, especially on mobile devices.

  • Maintain Consistency: Ensure the playful tone of the subject line is carried through to the email's body content and design. A witty subject followed by a serious email can feel jarring and inauthentic.


8-Point Comparison: Witty Email Subject Lines


Subject Line Strategy

🔄 Implementation Complexity

⚡ Resource & Setup Effort

⭐ Expected Outcomes

📊 Ideal Use Cases

💡 Key Advantages / Tips

The Curiosity Gap (Question-Based Hooks)

Low–Medium — craft concise questions, requires A/B testing

⚡ Low — AI generation + minor copy tweaks

⭐ Open rate uplift ~20–30% when relevant

Cart & browse abandonment, welcome flows, re-engagement

💡 Keep questions <50 chars; deliver value in body to avoid clickbait

The Number Play (Specific Numbers & Statistics)

Medium — needs accurate numeric copy and placement

⚡ Medium — requires price/inventory sync (Shopify)

⭐ CTR uplift ~15–25%; stands out visually

Promotions, flash sales, winback, restock alerts

💡 Always use truthful numbers; automate via product data to avoid errors

The Pattern Interrupt (Unexpected Punctuation & Formatting)

Medium — creative formatting + client rendering checks

⚡ Medium — emoji/format previews across clients required

⭐ Open uplift 20–35% with younger audiences

DTC fashion, lifestyle, youth-focused promos

💡 Limit emojis (1–2); preview across inbox clients to avoid misrendering

The Benefit-Driven Teaser (Pain-Point Acknowledgment)

Medium–High — requires behavioral segmentation & context

⚡ Medium–High — needs clean event/browse/purchase data

⭐ Open uplift 25–40% when highly relevant

Browse abandonment, post-purchase help, winback flows

💡 Reference specific pain points from behavior; ensure email delivers solution

The Social Proof Reference (FOMO + Authority)

Medium — needs real-time sales/inventory integration

⚡ Medium — automated sales counts or VIP flags recommended

⭐ Open + CTR uplift ~18–28% / 15–22% CTR gains

Limited inventory, trending items, VIP early access

💡 Use real data (honest counts); automate with Shopify to keep claims accurate

The Personalization Play (Name, History, Preferences)

Medium–High — dynamic fields and data mapping required

⚡ High upfront, then low — initial data cleanup; Email Wiz auto-syncs afterward

⭐ Open uplift 35–50%; strong CTR/conversion lift

All lifecycle stages: welcome, cart, winback, VIP

💡 Start with [First Name]; validate data quality to avoid errors

The Power Words (Psychological Triggers & Action Verbs)

Low — insert tested trigger words, easy to A/B test

⚡ Low — AI or templates can apply consistently

⭐ Open uplift 10–30% depending on audience

Broad use: promotions, browse, product launches, B2B/B2C

💡 Limit to 1–2 power words; match word to email intent to stay authentic

The Unexpected Reveal (Witty Wordplay, Puns & Humor)

High — creative skill and audience fit required; human review advised

⚡ Medium — AI can draft but manual polish recommended

⭐ Open uplift 20–35% for personality-driven audiences

Welcome series, seasonal campaigns, brand moments

💡 Use sparingly (e.g., monthly); test on core audience first to avoid misfires


Automate, Test, and Win: Your Path to Higher Open Rates


We've explored the architecture behind high-performing email subject lines, moving from curiosity-stoking questions to the undeniable pull of social proof. The journey through these eight powerful frameworks reveals a core truth: the best subject lines are not just clever, they are strategic tools designed to capture attention in a crowded digital landscape. Mastering these techniques transforms your email marketing from a guessing game into a predictable engine for growth.


The key is to view each framework as a different tool in your marketing toolkit. For a Shopify store owner, efficiency is paramount. You don't need to reinvent the wheel for every campaign; instead, you can systematically apply these proven methods.


Your Action Plan for Higher Open Rates


To translate these insights into immediate results, focus on these actionable next steps:


  1. Map Frameworks to Funnels: Start by assigning specific subject line styles to your automated email flows. For instance, use Personalization Plays and Benefit-Driven Teasers for your abandoned cart sequences, as they directly address a customer’s recent action and pain point. Reserve the more playful Unexpected Reveals for one-off campaigns or holiday promotions where brand personality can shine.

  2. Establish a Testing Cadence: Don't just test once. Commit to a regular A/B testing schedule. For your weekly newsletter, pit a Curiosity Gap subject line against a Number Play version. Track not just open rates, but also click-through rates and conversions. This continuous feedback loop is the fastest way to understand what truly resonates with your specific audience.

  3. Create a "Swipe File" for Inspiration: As you encounter witty email subject lines in your own inbox, save them. Categorize them based on the frameworks we've discussed. This repository becomes an invaluable resource when you're looking for fresh ideas, helping you stay creative without starting from scratch.


The Strategic Advantage of a Powerful Subject Line


Ultimately, a compelling subject line does more than just earn an open. It sets the tone for the customer's entire interaction with your brand. It builds anticipation, establishes trust, and primes the reader for the value inside your email. By consistently delivering engaging and relevant subject lines, you train your audience to look forward to your messages, turning a simple email into a welcome interruption rather than a skippable notification.


Of course, crafting these messages is only half the battle. If you're just starting out, knowing how to effectively build an email list from scratch is the foundational step that gives your witty subject lines an audience to impress. A strong list combined with irresistible subject lines is the one-two punch for e-commerce success. By combining these proven tactics with smart automation, you can systematically improve your open rates, drive more revenue, and build a brand that customers are genuinely excited to hear from.



Ready to generate proven, on-brand subject lines in seconds? Email Wiz uses AI to create compelling, witty email subject lines tailored to your products and promotions, freeing you to focus on growing your business. Stop guessing and start converting with Email Wiz today.


 
 
 

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