1) The first successful consumer digital camera, the Apple QuickTake 100, was released in 1994 and had a resolution of 640 x 480 pixels.

2) Bats are the only mammals capable of sustained flight.

3) The world's largest desert is the Antarctic Desert, covering around 5.5 million square miles.

4) The first smartphone, the IBM Simon, was introduced in 1992 and featured a touchscreen, email capabilities, and apps such as a calendar and calculator.