The H.264 spec dates back to ~2000-2001. x264 is an open source software program that implements H.264, and was written starting in 2004. Furthermore, we don'

The H.264 spec dates back to ~2000-2001. x264 is an open source software program that implements H.264, and was written starting in 2004. Furthermore, we don't know when they added intra prediction to VP8; it could have been many years after the original program was written.