Authors:

A few years ago, users of Internet services began to realize that when an online service is free, you're not the customer. You're the product.

"Apple's encryption battle with the FBI has implications well past the iPhone" by Sam Thielman, www.theguardian.com. February 20, 2016.
A few years ago, users of Internet services began to realize that when an online service is free, you're not the customer. You're the product.