Cell phones have reached nearly ever corner of the globe. Sixty percent of the world’s population havephones and one in four have Internet access. But Range Networks doesn’t think that’s good enough. The startup, which is launching today at DEMO Fall 2010, believes that everybody on the planet should have access to Web-connected cell phones. And it believes it can enable cell phones that are so cheap they can be operated profitably with $2- to $3-a-month subscriptions.