Boost your email opens with a punchy subject line. Don’t forget to add a fun, relevant call-to-action button to your email. Time to get that bread. Let your imagination run wild. Don’t make ‘em yawn! Keep your emails exciting and brief. 51% of emails are opened on mobile devices - don’t forget to check the mobile preview for your email! I wish I looked as good as you while waiting Keep your email subject line short and attention-grabbing.