This document discusses privacy and control in the context of social media and medicine. It notes that while people want privacy in public spaces, social media often makes information more public by default. This can threaten patients' informational privacy if identifiable details are shared without consent. The document argues that control over personal information and context are important for privacy, but determining rules and maintaining privacy online is challenging given how permanent digital footprints can be. It raises questions around how medical professionals can help patients control their privacy in this new environment.