There are all sorts of things that can be used to identify us online and in the real world, beyond our names, addresses, and phone numbers. But data brokers are desperate to tie all of these unique pieces of information together, building a valuable marketing dossier. It’s become a massive industry – being able to map one supposedly anonymous or pseudonymous piece of data to the a person’s full identity. Today we’ll delve deeply into this shady business with Iesha White and Zach Edwards.