Old people play video games. By old, maybe that means sixty years old? Seventy? How about 99 years old.
In Super Mario Bros., the "A" button is jump, and the "B" button is run or shoot fireballs. It wasn't always that way.
Super Mario Bros. was originally released in 1985. Televisions were different then — blurry and fuzzy-like. Thus, seeing the game on a HDTV makes Mario creator Shigeru Miyamoto feel slightly embarrassed.