Landlines may be going away (see CNET), but don't think of cellphones merely as their replacement for voice communications - at least not if you're a parent. Because to get a better handle on how young people use phones, think of them as "the world's most ubiquitous computers," as the New York Times put it recently, adding that there are 4 billion mobile phones in use worldwide right now. The … [Read more...] about Cellphones = wireless connected computers