The economic benefits of second-user devices are clear. They enable consumers to access premium technology at a fraction of ...

Opinions expressed by Forbes Contributors are their own. Barry Collins is a tech journalist writing about PCs, Macs and games. By the end of this year, more than half of all iPhones in use will be ...

"Every once in a while, a revolutionary product comes along that changes everything," Steve Jobs said when he unveiled the iPhone in 2007 ... value quickly. "The second you touch the wrapper ...