I'll just speculate my concern, if this patent is the way I'm viewing (real)...then I can see YouTube, Netflix, Amazon, and Apple (ITunes) having some problems.

I'll just speculate my concern, if this patent is the way I'm viewing (real)...then I can see YouTube, Netflix, Amazon, and Apple (ITunes) having some problems. I don't think a patent can be retroactive, but maybe Comcast can do a cease and desist.