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Now Playing: 07-09-12 Marketplace Tech Report

Do you find yourself unable to get on the Internet this morning? If so, it could be due to a virus known as DNS Changer. It's the result of a crime group getting caught for redirecting computer traffic to their computers, and now the computers are getting shut down. Calling your Internet Service Provider should help. Plus, a chat with the author of the new book, "Year Zero," kind of a "Hitchhiker's Guide To The Galaxy" meets all those lawsuits about Napster.