The San Francisco Business Times recently began a project to document wireless dead zones in the Bay Area. It’s a good idea; they have a simple form any user can fill out to give the address of the dead zone, explain it a bit if they choose, and name their service provider. So far, they’ve accumulated quite a bit of data — over 500 data points. The best part? As far as I can tell, every single one of the dead zones is on AT&T’s network.