Since reading this blog post from Intridea, I've received multiple targeted ads for Intridea on other sites. I find targeted ads creepy.

I've noticed that recently as well

So, in other words, it's something entirely different. Maybe you should call it something else.

"Those who aren’t terribly familiar with the protocol may wonder why OAuth 2.0 isn’t just rolled into support of the OAuth gem (or why I didn’t fork it and do it that way). Honestly, I would have liked to, but OAuth 2.0 is an almost entirely different beast than 1.0a and they share so little functionality that it would basically be two projects living under the same gem name."