On the video front, WebM is supported by most of the major browsers excepting IE and Safari, both of which support WebM via extensions or MP4/H.264. WebM might

On the video front, WebM is supported by most of the major browsers excepting IE and Safari, both of which support WebM via extensions or MP4/H.264. WebM might make its way into IE/Safari once Microsoft and Apple decide that there's no chance of being ambushed by patents [0]. [0]: http://blogs.msdn.com/b/ie/archive/2011/02/02/html5-and-web-video-questions-for-the-industry-from-the-community.aspx http://blogs.msdn.com/b/ie/archive/2011/02/02/html5-and-web-...