I was wondering how long ago I stopped smoking, and  I remembered SilkQuit, a free program that tracks your progress in quitting smoking.  I had it on my old computer, but never installed it on my current PC.

Four years, four months, 5 hours, 36 minutes and 45 seconds. 31684 cigarettes not smoked, saving $7,921.38. Life saved: 15 weeks, 5 days, 20 minutes.

A funny animation short from Bill Plympton, from the late 80’s: