Well, what if I decide to make a toy web application that works with video and I decide to use HTML5 video standard? Will I have to pay royalties only to serve this webpage? And what if I put the source code of this application on github or any other repository that's open to anyone? And if I want to found a company that wants to make a living working with video online but nothing charging users directly, will I have to pay royalties only because every new user will expect that I should support the patented codec that he uses? Now, what's about that's is open?