Pownce is the latest brainchild of Kevin Rose founder of that other web phenomenon Digg.com. This time Kevin along with a few close friends ( Leah Culver, Daniel Burka, and Shawn Allen ) have set out to create their take on Social Networking web services and the result is a very slick site that allows friends to post comments, links, files and events to each other. Where Pownce has gone a step further is in their creation of a client side application which uses Adobes AIR ( Adobe Integrated …