Update from the CEO ⇥
Larry Page (emphasis mine):
I have always believed that technology should do the hard work—discovery, organization, communication—so users can do what makes them happiest: living and loving, not messing with annoying computers!
Further along in the same section:
When you sign up for Google+, you can use Circles to group people into different categories, such as “Friends,” “Family,” or “Rocket Scientists,” and then engage with them just like in real life.