| Title | The Circles of Latitude: Adoption and Usage of Location Tracking in Online Social Networking | 
 | Publication Type | Conference Proceedings | 
 | Year of Publication | 2009 | 
 | Authors | Page, X., and A. Kobsa | 
 | Conference Name | Computational Science and Engineering, 2009. CSE '09. International Conference on | 
 | Volume | 4 | 
 | Pagination | 1027-1030 | 
 | Date Published | 29-31 Aug. 2009 | 
 | Keywords | adoption trends, audience management, Google Latitude, information filtering, location tracking, online social networking, social conformance, social networking (online) |