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Now Playing: 03-16-12 Marketplace Tech Report

Google is taking a new approach to the way its search engine works, moving away from keyword-based searching to something a little more contextual. It's embracing something called semantic search, which looks for the meaning of words rather than just the occurrence of those words. Also, the FBI is asking Google to hack into an Android phone, and the difference between the new iPad and a new robot vacuum cleaner.