CNNMoney: “Google has made its famous search algorithm into a $20 billion business, but for years, investors have asked, “What’s next?” Google finally has an answer: Android…By 2013, Android [mobile operating system] will be a $4 billion-a-year business for the company and “a blockbuster success,” Caris & Co. analyst Sandeep Aggarwal forecasts. That’s a nice revenue bump for a company that had sales of $24 billion last year. But Google is dreaming even bigger: At last month’s Zeitgeist conference in Arizona, Google CEO Eric Schmidt told reporters that he sees Android as a $10 billion business.”