Think twice before giving your zip code to a retailer

Christopher Hoofnagle quoted in WUSA9, June 25, 2013

“Stores can take this information to a data-broker and ask them to match up the name with the zip-code in order to get the person’s home address. And they can get other information too. They might be able to get an e-mail address or a phone number as well,” says Chris Hoofnagle with UC Berkeley Law School.