| ABOUT 10 YEARS ago, a restless Bill Gates, unhappy with his company’s early experiments with pen-based computing, promised that he would fulfil a dream that he and others had “for years and years” about a new tablet device.ABOUT 10 YEARS ago, a restless Bill Gates, unhappy with his company’s early experiments with pen-based computing, promised that he would fulfil a dream that he and others had “for... |