I had a similar idea to this with some minor differences around 2-3 years ago but never ended up implementing it. Instead of doing this for streaming videos, m

I had a similar idea to this with some minor differences around 2-3 years ago but never ended up implementing it. Instead of doing this for streaming videos, maybe you could do stuff for TV programs (such a primetime TV or news) so that people could chat with other people in real time when watching TV.