Google Chrome’s built-in ad blocker is set to start blocking some of the most annoying ads — pop ups, automatic players and the like. But while ads can be irritating, ad-tracking software might actually be worse. To get a closer look at this kind of tracking and why it should matter to consumers, Marketplace Tech host Molly Wood speaks with Casey Oppenheim, co-founder and CEO of the privacy software company Disconnect.

Google Chrome’s built-in ad blocker is set to start blocking some of the most annoying ads — pop ups, automatic players and the like. But while ads can be irritating, ad-tracking software might actually be worse. To get a closer look at this kind of tracking and why it should matter to consumers, Marketplace Tech host Molly Wood speaks with Casey Oppenheim, co-founder and CEO of the privacy software company Disconnect.