Even though these subject lines are industry specific, you can adjust them to make them suitable for your industry.

B2B (Business to Business)
• Which Test Won: Test of the Week: Demo vs Video – Which Copy Won 48.2% More Leads?
• Dasheroo: Top 5 Customer Support Metrics You Need to Track, Now!
• Social Media Bulletin: Marketing Metrics Bible – 70-Page Guide
• Practical Ecommerce: Report: Top 10 Comparison Shopping Engines
• Copyblogger: Renew your Authority membership right now (and save big)
• Big Data Bulletin: Includes: How to Avoid the Worst Big Data Mistakes You Can Make
• PsPrint: The Results Are In: Top Designs from Our Artwork Contest!

Retail
• Walgreens: Your selfies aren’t going to print themselves – 40% off mobile photo orders with our FREE App
• Kara’s Cupcakes: A Trio of Seasonal Favorites for Your Enjoyment!
• David’s Tea: In store exclusive: free honey for mom
• Omaha Steaks: ★This is almost too good to be true…★
• Open Table: Give the Gift of Deliciousness
• Gap: Hurry! Save NOW until 10AM Wednesday
• Lululemon Athletica: did someone say brownies?
• Tory Burch: Ends Today: 25% Off — Friends & Fans Event
• Piperlime: Extra 25% off SALE items under $100
• Lilly Pulitzer: Take a peek at our new summer catalog…
• Shutterfly: 3 days left: Up to 40% + get an extra 20% off
• Old Navy: Got SUPER CASH, Kim? Redeem It Today!
• Workshop: We’ve got spring fever at workshop! Check out our calendar for our spring faves!
• Pottery Barn Kids: ★ 3 great sales TODAY only! ★ Save 20% + free shipping on beach towels, gear & Freeport Chairs
• Orbitz: Quick! This promo code’s ending soon
• J Crew Factory: HURRY: This deal will change at noon
• Abercrombie Kids: we could just say ‘thanks’ but we think this is way better…
• Wine.com: Weekend savings up to 50% on CA favorites
• Photojojo: *NEW* A Portable Pop-Up Photo Studio
• Fabletics: want to win $100 to fabletics?
• Priceline: Get $20 Off Hotels Instantly! Email Exclusive
• ModCloth: 20% off. 100% awesome.
• Banana Republic: Surprise! (Can you guess what yours is?)
• Birdy Botanicals: Our Newest Product Just Got Better & A Favourite Local Event is Back
• Everlane: See What’s Coming
• Warby Parker: Finally
• Birchbox: Come Back and Get a Free Gift

Non-Profit
• Marine Mammal Center: Show Your Mom Some Love
• Humane Society of the United States: Be inspired, create change
• American Diabetes Association: We need backup
• American Red Cross: Everyday heroes like you
• American Lung Association: Honoring our volunteers
• World Wildlife Fund: Reminder: Jill, You Can Make a Huge Difference
• Humane Society of the United States: Need some convincing?
• American Diabetes Association: Take it. Share it. Step Out.
• Care and Share Food Bank: Eat your greens!
• Friends of the Sea Otter: Mother’s Day Spa and Dinner Raffle
• Community Music Center: New Items Added to the Community Music Center Auction!
• SFMOMA: It’s Not Too Late
• The San Francisco Ballet Association: Don’t miss the final program of the season!
• Root Division: Take an Art Class! Fall Schedule

We hope this has helped you in some way to increase your open rates. Make sure you don’t just copy the subject lines, you do still need to adapt it to your business.
Until next time.