That thing attached to your hand? It might be doomed
The smartphone is dead? Long live the smartphone! In the fast-moving world of high tech, you’re up one day and down the next. Desktop computers were bumped aside by laptops, and tablets are now returning the favor, grabbing laptop market share. Basic cellphones gave way to feature phones, which now fill the middle of the market, having ceded the high end to smartphones. Since the only unchangeable thing in the tech industry is change, some observers are wondering not if smartphones will get knocked off their perch, but when, and looking toward Google Glass and a wave of smartwatches as potential successors. Business watchers, meanwhile, are worried by the possible disruption of the business model, and an end to the dominance of Apple and Samsung as multiple other players enter the fray. Woodward Yang, the Gordon McKay Professor of Electrical Engineering and Computer Science and a University Fellow at Harvard Business School, has...