1) The average person spends around six months of their lifetime waiting for red lights to turn green.

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

3) The NBA (National Basketball Association) is widely regarded as one of the most popular and competitive professional basketball leagues in the world.

4) The fastest recorded serve in tennis was achieved by Sam Groth at 163.7 miles per hour (263.4 kilometers per hour) during a tournament in 2012.