This document summarizes Tim Nekritz's presentation on location-based social media and geosocial applications. It discusses how these applications allow users to interact with their physical environment and other users through their smartphones. The document then evaluates several popular geosocial platforms like Foursquare, Gowalla, and Facebook Places. It also discusses the potential for higher education institutions to utilize these applications. Examples are provided of how some universities have created mobile apps and games to engage students on campus through location-based services.