Just Friends
July 21, 2010

The idea of an online social network is simple, even obvious—Kirkpatrick cites an article from 1968 expounding the idea long before it was technologically feasible. Such networks were already up and running—MySpace was the biggest—when Zuckerberg started Facebook. A user has a profile page on which he posts whatever information about himself he thinks might interest people with whom he has—or would like to have—a relationship.