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Now Playing: 01-30-2012 Marketplace Tech Report

When you want to buy something online, you always check the customer reviews, right? But can you trust what you read? Amazon.com recently deleted a lot of reviews for a particular brand of protective case designed to fit the Kindle Fire tablet computer. Turns out the makers of the case were paying people to write positive reviews. That's illegal according to the Federal Trade Commission. So what can you do to make sure what you're reading is the real scoop? Also in this program, a new tech vocabulary word: Likejacking.