Why You Should Never Sign-In Or Let Your PC, Phone Or TV Know Who You Are

- The algorithms that make lethal decisions about your life

- Thousands of companies are spying on you to try to change your politics, votes, culture and education

- No matter how much a Silicon Valley company PR official swears and promises a technology will "only be used for good", at the same moment the marketing department is already using it for horrific evil.

- When you log into ANY device, you give it permission to manipulate your life

How Silicon Valley Became a Den of Spies - POLITICO Magazinepolitico.com