WSJ.com – “…Devices like the Automatic Pro can bring almost any vehicle—even a jalopy you bought when *NSYNC was popular—into the smartphone age. They look like USB thumb drives and plug into the On-Board Diagnostics (OBD-II) port found in almost every almost every car sold in America since 1996. These ports are often hidden under the steering wheel, but aren’t too hard to find with a bit of googling and a flashlight. Installing one of these yourself won’t void your warranty. Car geeks have long used them to reveal secrets about the engine and get feedback on driving habits. Insurance companies sometimes use them to offer discounts for cautious drivers. Now the latest ones come with a cellular internet connection and GPS, making them much more useful to every car owner…”