So it’s easy to see why Google would want a network like Google+ — among other things, it provides all kinds of data about users that could be useful for ad targeting (which seemed to be the real impetus behind the company’s initial insistence that users provide real names instead of pseudonyms). But why do users need it? That one is a lot harder to answer, and the short version may be simply that they don’t.
The whole article is full of interesting links and opinions. Read it here.