People are opting into data collection in a way that creates a severe security vulnerability. Not only have you given up confidentiality (of everything, includi

People are opting into data collection in a way that creates a severe security vulnerability. Not only have you given up confidentiality (of everything, including passwords), you've also sacrificed integrity and availability. You can no longer trust anything you do on your phone. A hypothetical experiment Facebook might be interested in conducting: Do people use Facebook more if Twitter is slow and/or unreliable?