Roland Piquepaille writes: "According to two U.S. researchers, fewer degrees of separation make companies more innovative. They've studied the innovative performance of about a thousand companies in various industries over a six-year period. And they've concluded that "companies that network and form strategic alliances are more creative and develop more patented inventions than those that don't." Even if the conclusion sounds right, basing it on patent numbers might be questionable. Read more for additional references and an illustration describing the evolution of computer companies' social networks and tell me what you think."