What if Computers Know You Better Than You Know Yourself?

Our digital breadcrumbs now tell stories about us that are deeply secret, moving, surprising—and often things we don’t even know about ourselves. These days when a computer crunches the numbers and tells you “this is who you are,” it’s hard to contradict because there’s more data about you in the machine than there is in your head. Algorithms are most effective at curating the information that’s hardest for us to hold in our heads: how long we talk to mom or what day of the week we splurge on an extra cookie.

What if Computers Know You Better Than You Know Yourself?, Slate March 3 2014