Feel more secure while walking alone at night with Bipper’s new bSafe app, which allows users to share their locations easily with selected contacts, or “guardians,” during an emergency, as well as to call 911. After subscribing, users select the “follow me” option so that guardians essentially can walk along with them via GPS tracking. Available for iOS, Android and BlackBerry. Basic app is free; one-year subscription is $20/two-year is $30, www.bsafeapp.com