1) The first commercial mobile phone, the Motorola DynaTAC 8000X, was released in 1983 and weighed nearly 2 pounds.

2) The Super Bowl is the championship game of the National Football League (NFL) in the United States and is one of the most-watched television events each year.

3) Antarctica is the coldest, driest, and windiest continent on Earth. It is also the highest, with an average elevation of about 7,545 feet (2,300 meters).

4) The average person walks the equivalent of three times around the world in a lifetime.