class-built-apps-fortunes-nytimes: Personal Finance News from Yahoo! Finance: "After a few false starts, he created an app that let people send points and 'kisses' to friends. It struggled until Mr. Matei, who speaks several languages, translated the app. The next day, traffic jumped fivefold. He added games, and employees, and the app became one of the most popular Facebook programs in Europe. In late 2009, he sold to Zynga for an undisclosed sum."