From the Digital Life Design conference, a welcome announcement was made for students. Textbook publishers saw it coming: an e-textbook revolution is imminent and it will change learning forever, said Osman Rashid, co-founder and CEO of Kno. The software company …

Is it hip to be square again? Maybe according to Twitter co-founder Jack Dorsey. His new startup, called Square, is a mobile payments (credit card processing) system that appeals to small businesses. But is he targeting the right customers?