[a3n]

LinkedIn once suggested I connect with a neighbor in my apartment building. All we ever did was say hi to each other, we didn't know each other's names. The only reason I knew the connection suggestion was about this person was because of the photo. That was a WTF moment.

[shiggerino]

I'm guessing if they don't get enough hits by matching email addresses and address books they go one level deeper in the graph. That would explain some of mine.