I wonder how much this is enabled just due to patents expiring. Patents (theoretically anyway) last 20 years, so you'd expect 10 years to see off a lot of them.

I wonder how much this is enabled just due to patents expiring. Patents (theoretically anyway) last 20 years, so you'd expect 10 years to see off a lot of them. I don't know so much about video, but in the end the solution to mp3 patent encumbrance was mostly to just wait for the patents to expire.