Are Interactive Emails Really the Next Big Thing? https://medium.com/@ZURB/are-interactive-emails-really-the-next-big-thing-78de557298aa
Email CSS Animation Guide https://www.emailonacid.com/blog/article/email-development/css-animations-part-1
CSS Animations in Email and Vendor Prefixes http://freshinbox.com/blog/css-animations-in-email-and-vendor-prefixes/
How to Code Video Backgrounds for Emails https://litmus.com/blog/how-to-code-html5-video-background-in-email
Three steps to mastering the email GIF https://www.mailjet.com/blog/mastering-the-email-gif-frame-by-frame/
25 Wonderful Examples of Animated GIFs in Email Marketing Templates https://mailbakery.com/blog/25-wonderful-examples-of-animated-gifs-in-email-marketing-templates/
Image Rollovers for Mobile and Non-Mobile Email http://freshinbox.com/blog/image-rollovers-for-mobile-and-non-mobile-email/
Animation in email – does it serve a purpose? http://www.pure360.com/blog/blog-entries/Animation-in-email-does-it-serve-a-purpose