This cracked me up:
The folks across the street emailed me because they discovered my iTunes collection via wireless. [Paul Boutin]
On a related tangent, I just secured my wifi network. I noticed that one of my neighbors was piggy-backed on the connection pretty much constantly — and while I didn’t mind the occasional convenient connection, I was mildly annoyed that they were using it permanently.
But as I type this, I can’t quite figure out what the distinction is…