We've all had the unsettling experience of seeing an ad online that reveals just how much advertisers know about our lives. You're right to be disturbed. Those very same online ad systems have been used by the government to warrantlessly track peoples' locations, new reporting has confirmed.

This week, we're talking about how advertising surveillance enables government surveillance. We're also discussing a victory for protesters seeking to hold police accountable and a troubling conflict over the Department of Defense's use of AI.

EFFector is a podcast by the Electronic Frontier Foundation, the leading nonprofit defending online civil liberties. Become an EFF member today at https://eff.org/podfan.

How Targeted Advertising Gives Your Location to the Government