One in ten mobile phone users in the U.S. used a location-based service such as a map, friend or restaurant finder in Q4, 2008.

在美国2008年第四季度的调查中，有十分之一的手机用户使用如地图、交友或者餐馆查询等手机定位服务。

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At present, using the second-generation or the second-generation half mobile communication network, the limited network band width becomes the bottleneck of guarantee quality of map service.

目前，使用的是二代或二代半移动通信网络，有限的网络带宽成为保证地图服务质量的瓶颈。

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Most notably, an update to Apple's mobile operating system has replaced Google Maps with an Apple-designed map service that many users say is less accurate or even omits locations altogether.

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