If car thieves stole a a car back in the day, they used tools or a coat hanger. Now, times are changing and all you need now, is a laptop. Scary.

Today, nearly all cars are run entirely by advanced digital computers. That may make many annoying aspects of the automobile from the past history, but easier for us using computers complicates things with viruses and hacking.

Now, high tech carjackers can literally take over your car with just a few keystrokes on their laptop or smartphone.

Forbes' Andy Greenberg shows the power a hacker can obtain over a car, controlling virtually everything from his laptop.