He posted his weight on Twitter everyday, and lost 60 pounds in five months that way
Tall Tales, Truth and My Twitter Diet – NYTimes.com
Keeping a log is one of the most helpful tools to lose weight. It’s not the log itself but the act of keeping one. I discovered that last year when I started using LoseIt on the iPhone. I hadn’t considered using Twitter for that – but looks like others are with excellent results.
#inspiring