To be fair, you'd equate this to Facebook's own integrated ecosystem (groups, events, marketplace) -- not your friends. There's benefits to having my friends an

To be fair, you'd equate this to Facebook's own integrated ecosystem (groups, events, marketplace) -- not your friends. There's benefits to having my friends and I both on iOS (iMessage, etc.), but the deciding factor for a social network are the people, and if your friends aren't there, it doesn't matter how many party RSVPs I send out.