Theora is derived from VP3 which, as the name suggests, is a predecessor to VP8 which Google recently renamed to WebM. As such, VP3 is inferior to VP8 (WebM) an

Theora is derived from VP3 which, as the name suggests, is a predecessor to VP8 which Google recently renamed to WebM. As such, VP3 is inferior to VP8 (WebM) and a huge step backwards from H.264. One could also say that as long as software patents exist, no codec can ever be unencumbered by lawsuit-fodder.