I love the camera on my cellphone. It protects me from meter maids writing a ticket for my car before the time expires. I snap a photo of her (or the ticket, if I just missed her) and the camera time-stamps it. I snap a photo of the meter, if time is actually remaining. Then I immediately upload to twitpic.com to preserve a time-stamped record. No need to worry about being believed; I have time-stamped photographic evidence. Best of all, I am never tempted to stick gum in a meter, because I am a thinking adult, not a twelve-year-old.