Fighting off robots… [insert fun loading text here] One Mississippi, two Mississippi… 51% of emails are opened on mobile devices - don’t forget to check the mobile preview for your email! Want the loading time to be longer so we can spend more time together :) Don’t forget to add a short preview description to encourage people to click on your email. Keep your email subject line short and attention-grabbing. Try different email subject line styles to find what gets the most opens.