A mobile lock with a retractable cable. The mobile lock is an integral component of a mobile device (e.g., bicycle, scooter, stroller, etc.) or attachable thereto and includes retractable cable that is wrapped around a stationary object (e.g., tree, bike rack, etc.). The retractable cable reconnects to a lock component on a body component of the mobile lock to prevent theft of the mobile. The mobile lock is always available for locking the mobile device. The mobile lock also includes an integral wireless locator system that can precisely locate the mobile device in real-time if stolen. The wireless locator system also automatically send messages (e.g., e-mail, text, instant messages, voice, etc.) and make automatic posts to social networking sites (e.g., FACEBOOK, TWITTER, etc.) and social shopping sites (CRAIG'S LIST, E-BAY, etc.) that the mobile device has been stolen.