This document discusses email marketing strategies and support for different types of video content in emails. It finds that HTML5 video with audio is supported by Hotmail, iPhone, iPad and Mac mail clients and makes up 37.34% of email users. Animated GIFs and PNGs are more widely supported but offer lower quality video without audio and account for 49.77% of users. A smaller percentage of 12.89% require users to click to an external page to view static video content. The document encourages membership in the email experience council to stay updated on emerging practices.