Two digital games that humanity can never forget are snake game of Nokia and Solitare of Windows. Especially Solitare has caused headache to countless managers and I guess you know this why. Instead of working, when employees were found playing Solitare, it could cause a headache to any manager.
In 1988, Wes Cherry, as an intern for Microsoft wrote Solitare for the sheer purpose the game is known for: to tackle boredom in office. Meet this guy here.