If Facebook has taught us anything, there are the following classes of "friends": * People I don't really know * People I tell about the pimples on my butt or

If Facebook has taught us anything, there are the following classes of "friends": * People I don't really know * People I tell about the pimples on my butt or the argument I had with my wife * Work-related people I talk to on a regular basis * Hobby-related people I talk to on a regular basis Most people have 900 in the first category and maybe a few dozen in the others. That being said, the "reciprocating circle addition" UI is brilliant, I love it.