Talk about turning lemons into Lemonade. The parents of 18-year-old Shaun Malone, placed a GPS tracking device into his car to make sure he was obeying traffic laws. The model they installed would email them if he ever went over the speed limit and they could check in real time to make sure he was where he said he was going to be. So, when Shaun was caught by a police radar going 62 in a 45 mph zone last summer, his parents were shocked because they had data to refute the claim by police that their teenager was speeding.

Full story: coolest-gadgets.com