• will location-based check-ins , one of the latest tech trends pioneered by services like foursquare , Gowalla , and Loopt , die off this year ?
•基于位置的签到是最新技术趋势之一,Foursquare、Gowalla和Loopt等服务是该领域的领跑者,不过,这项技术会在今年消亡吗?