Kate Millett

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.

The leg system of the beach animals works because of a combination of certain lengths of tubes. Because of the proportion of lengths, the animals walk smoothly. You could say that this range of numbers is their genetic code.