This demo presents some features of our software for P2P social networking What's up 2.0. The main idea of What's Up 2.0 is to provide spontaneous social networks in the events such as conferences and expositions. With no infrastructure, What's up enables fast setup and deployment of a distributed social network that provides VoIP, instant messaging, Video call, community creation/management, V-card sharing, Image sharing, search and event alert. What's up 2.0 is designed to be also deployable on ad hoc networks. Moreover it works on different operating systems including windows, Linux, Windows mobile and Symbian