Or maybe not, as Mozilla aren't supporting it as H.264 is patent encumbered. Ogg Theora (or possibly the Google owned open source VP3 codec originally based on Theora) may possibly become a future standard, free for all to use. There is a pretty powerful argument not to use H.264 in web pages. http://www.theregister.co.uk/2010/01...4_video_codec/