The long-awaited arrival of free, dependable Wi-Fi on planes will be a boon to fliers in the coming years. Investors, maybe not so much. Anyone who has tried to use in-flight Wi-Fi over the past two decades knows that, when available, the service is slow and frustrating. The historic market leader, Colorado-based Gogo, based its coverage on cell towers, which struggled to serve planes flying at high altitudes, leading demand to permanently undershoot forecasts. (www.wsj.com) 更多...
