Schneier on Security

Your cellphone emits a signal that tags your location every minute of every day. Your Google search log records your private anxieties and interests. Your text messages and social media accounts capture every detail of your social life. Your store purchases produce records of your spending habits. Your photos are embedded with the date, time and location of the moment they were taken.

Everything you do and everywhere you go, you leave a trail of data that reveals intimate details of your life, and governments, corporations and hackers are keen on having more and more of it in their hands…