Going Local: Why Google Wants to Buy Yelp

Google (GOOG) is in talks to buy local business-review site Yelp for as much as $500 million, or at least that's what tech industry website TechCrunch is reporting. Yelp, which lets reviewers rate local businesses, has over 9 million unique visitors a month according to Internet research company Comscore. The purchase hasn't been finalized, but it appears the deal is imminent.