Today at the RealTime CrunchUp , representatives from some of the top companies involved in location based services came together to talk about the current state and future of geo-based services. I'll be taking some notes about the top themes to come up during the panel, and we'll have a full transcript available soon. Participating in the panel were: Matt Galligan, co-Founder of SimpleGeo Ryan Sarver, Director of Platform at Twitter Tristan Walker, VP of Business Development at Foursquare Steve Lee, Group Product Manager Google Maps for Mobile and Google Latitude Justin Shaffer, Founder of Hot Potato Elad Gil, CEO of Mixer Labs Moderators were our own Erick Schonfeld and MG Siegler.