In the early 1960's, Porsche commercially manufactured farm tractors.
24
A small airplane can fly backwards.
75
All GPS units sold in the civilian market have to be programmed to deactivate themselves if they detect they are travelling faster than 1200 MPH or are above 60,000 feet in altitude to prevent them being used in intercontinental ballistic missiles.
2
The first alarm clock could only ring at 4 a.m.
120
There's a Mumbai-based pizzeria that now delivers pizza by drone.
4
There's an "anti-smartphone" called John's Phone which can only make and receive calls.
7
Kissenger is a pig-shaped robotic device that lets you kiss someone over the internet.
5