Self-driving cars were seen in many different movies, even before we could imagine driving one. One of those movies was I, Robot. However, today many companies are on the verge of releasing a self-driving car in production, which means we’ll most probably see them hit the roads in 2020 or later.
Actually, one of the X-prize challenges:
https://en.wikipedia.org/wiki/Tricorder_X_Prize
#9 thats not the only thing about that movie that already exists
stun gun