I hope their market isn't women. Most women won't step on to a scale if there are other people in the house, much less if it's broadcasting.<p>That said, I'd use this if I were trying to gain again. Seems like it'd be a great tool for staying motivated.<p>And it looks like there is a scale that uses wi-fi: <a href="http://www.withings.com/" rel="nofollow">http://www.withings.com/</a>