Is anyone even reading this? Don’t forget to add a fun, relevant call-to-action button to your email. We’re very font of you because you’re our type. Want the loading time to be longer so we can spend more time together :) Keep your email subject line short and attention-grabbing. Sit up straight. Time to get that bread. 51% of emails are opened on mobile devices - don’t forget to check the mobile preview for your email!