HTML5 is the successor to the current HTML standard, with only 38 percent of Web browsers currently supporting this standard.

While YouTube has featured the iFrame embed capability for about six months now, they've quietly promoted this method to be the primary embed format, all in an effort to further the transition to HTML 5 protocols. ...

Marketers should consider a simplified approach when creating video email campaigns by focusing on the video content instead of integrating audiovisual messaging into a standard HTML format.