Letterman's Top 10 signs you've purchased a bad iPhone

The iPhone 4's reception issue was the target of David Letterman's Top 10 list last night. Maybe some jabs from the world's funniest talk-show host (settle down, Conan fans) will jar Apple into finally realizing the problem is, uh, serious.

Oh, and I swear Number 6 really happened to me.

Via Gizmodo