Can mobile technology help teens and young adults shake the stigma of getting tested for sexually transmitted diseases? MTV and the people behind social media application Foursquare think so. Foursquare, which uses the GPS technology embedded in smartphones to let users show their friends where they are and find nearby businesses, has created a virtual badge as part of MTV and the Kaiser Family Foundation's "Get Yourself Tested" campaign, the Associated Press reports. Users earn the "GYT" logo by getting tested at their regular doctor or clinic, or can find testing sites through Foursquare based on their location. Article