![TED Business show](https://d3dthqtvwic6y7.cloudfront.net/podcast-covers/000/026/983/small/tedtalks-business.png)
Summary: What's the harm in buying a knock-off purse or a fake designer watch? According to counterfeit investigator Alastair Gray, fakes like these fund terrorism and organized crime. Learn more about the trillion-dollar underground economy of counterfeiting -- from the criminal organizations that run it to the child labor they use to produce its goods -- as well as measures you can take to help stop it. "Let's shine a light on the dark forces of counterfeiting that are hiding in plain sight," Gray says.