We just served our 500,000,000,000th DNS request. In other words, a half trillion. Because of how we aggregate our stats and the volume in which we do them (many at the same time) we don’t know exactly what the 500 billionth request was. I’m sure it was a good one.
Update: Now that I think about it, it was probably someone buying a nice gift for their special someone over at Kathy Van Zeeland. (KVZ uses OpenDNS, of course) 😀