Don’t make ‘em yawn! Keep your emails exciting and brief. We’re very font of you because you’re our type. 51% of emails are opened on mobile devices - don’t forget to check the mobile preview for your email! Sit up straight. Keep your email subject line short and attention-grabbing. Let your imagination run wild. Boost your email opens with a punchy subject line. Try different email subject line styles to find what gets the most opens.