A mobile-responsive email can increase clicks by 15%. Always check mobile previews before sending out emails. My day’s been ok, how’s yours? 51% of emails are opened on mobile devices - don’t forget to check the mobile preview for your email! Try different email subject line styles to find what gets the most opens. [insert fun loading text here] Avoid getting marked as spam! Only email people who have agreed to receive emails from you. Is anyone even reading this? Keep your email subject line short and attention-grabbing.