For example, last week UPS, the US parcels and logistics group, rolled out a new type of ' wearable ' scanning system for employees that speeds up the loading of packages into vehicles and provides more accurate and timely tracking information for its customers. 举例来说,美国包裹服务及物流集团ups上周面向员工推出了一种新型“可穿戴”扫描系统,这种系统可加快包裹装车速度,还可为顾客提供更精确及时的跟踪信息。