I like the serendipity of Hangout. If you do it for your friends circles, you could meet new people through your friends (because their friends will see they jo

I like the serendipity of Hangout. If you do it for your friends circles, you could meet new people through your friends (because their friends will see they joined a Hangout). So it's very much like in real life where you meet with a group of friends and they introduce you to some of their friends.