When’s the last time you picked up groceries? Some of us hit up a local market every week; some folks buy in bulk at a Wal-Mart or a Costco, and some of us just go to whatever's closest. Overall, it's the same old story: you gotta eat. Yet as Ben, Matt and Noel discover in today's episode, it turns out there's more going on behind the scenes. Leveraging big data and mass surveillance, your grocery store now knows more about you than ever before. There's a conspiracy in your grocery aisle, and it could well affect your bottom line.