51% of emails are opened on mobile devices - don’t forget to check the mobile preview for your email! [insert fun loading text here] I wish I looked as good as you while waiting Don’t make ‘em yawn! Keep your emails exciting and brief. I’m worth the wait Keep your email subject line short and attention-grabbing. Test, test, and test again! Make sure your email looks good on all devices before you send it out. Boost your email opens with a punchy subject line.