Possible Google-Yelp Deal Boost to Local Search, Mobile Ads

If Google's rumored $500 million+ acquisition of local review site Yelp goes through, the deal could open one of the few segments of the search advertising market that has eluded Google: local mom-and-pop businesses such as dry cleaners or dentists or restaurants, which according to BIA/Kelsey, is a $29 billion untapped market, writes The New York Times.