Why are you forgetting that codec's themselves are "external software", the only difference would be that the browsers themselves would be shipping them. One c

Why are you forgetting that codec's themselves are "external software", the only difference would be that the browsers themselves would be shipping them. One could kind of argue the Ogg Theora would not be "external" just because it's open source, but in reality all codecs are external, especially the proprietary ones like H.264.