Nearly 70 percent of people were deceived into buying a counterfeit product online at least once last year, according to research from Michigan State University. And buying knockoff versions of products can be dangerous. Kari Kammel, the director at the Center for Anti Counterfeiting and Product Protection at Michigan State University, shares tips for how to avoid counterfeit and unsafe products, especially online.Learn more about sponsor message choices: podcastchoices.com/adchoicesNPR Privacy Policy