1) The first commercially successful video game was "Pong," released in 1972 by Atari.

2) The naming of cyclones varies depending on the region. For example, cyclones in the Atlantic and eastern Pacific Ocean are named using a predetermined list of names.

3) The world's first credit card was introduced in 1950 by Diners Club.

4) 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.