Ben Goldacre

There is actually quite a lot of crossover between the quacks and drug companies. They use the same tricks and tactics to bamboozle people into buying their pills, but drug firms can afford to use slightly more sophisticated versions.

Science has authority, not because of white coats, or titles, but because of precision and transparency: you explain your theory, set out your evidence, and reference the studies that support your case.

Every time you log in to Facebook, every time you click on your News Feed, every time you Like a photo, every time you send anything via Messenger, you add another data point to the galaxy they already have regarding you and your behavior.