If you've got a hot date but just can't decide what to wear, Coathangr is here to help. Coathangr is, in the words of their beta slogan, "Social media for your pants" -- although co-founder Dave Wiskus says that will probably change to the less catchy but also less-apt-to-be-misinterpreted "Social media for fashion."
The Denver-based service is a lot like Twitter (and it integrates with Twitter for easy cross-posting), only with integrated images. "We've got Twitter for what you're doing, we