> Most personalized TV channels are called "social media" even though they're really "personal TV" because the former sounds like it connects you with your friends.

This is clearly untrue; they're called "social media" because they developed inside other things that were already called "social media".

Then Netflix is a DVD rental?

If you think really, really hard, maybe you'll be able to get your arrows the right way around.

DVD rental developed from online streaming?