Foursquare just recently tweaked its privacy policy to share more user information with local businesses, and it looks like it's already putting some of that data to use in a new app now that the policy has gone into effect. Launched today for the iPhone and iPod touch, Foursquare for Business is just that -- an app designed for business owners instead of customers. In addition to letting managers upload new photos and refresh their specials regularly, it'll also give them a peek into customer activity at their business (or businesses)
