A full five percent of reviews site Yelp's traffic comes from its downloadable iPhone app, the company said Thursday. In response, it's revamping the iPhone app, originally launched last year, to add new features that place a fresh emphasis on location awareness. The new download will be available in the iTunes App Store in a few days.
The most significant upgrades are the ability to post 140-character (read: Twitter-length) "quick tips" from the iPhone, a wholly new feature, which other members can give a Digg-like thumbs-up to. Popular ones may eventually be displayed on that business' … Read more