1) The Cannes Film Festival, held annually in France, is one of the most prestigious film festivals in the world.

2) The Internet of Things (IoT) refers to the network of physical devices, vehicles, appliances, and other objects embedded with sensors, software, and connectivity.

3) The first successful mass-produced personal computer, the IBM PC, was introduced in 1981 and played a significant role in popularizing the use of computers in homes and offices.

4) The ocean covers about 71% of the Earth's surface and contains roughly 97% of the planet's water.