The popularity of the Web's top search engine should carry over to mobile handsets, Cramer said. But he also likes Google's exposure to the ad industry. As the economy revs up, so does ad spending, and that's good for GOOG. But there's a double win here: Ad dollars are more and more moving online, which again is a positive for this company. At publish time, Cramer had a $750 price target on this stock.