Mobile location service is one of them.

移动定位服务就是其中的一种。

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On account of the constant changing of location of mobile communication users, mobile location service will undoubtedly develop with a glorious perspective.

由于移动通信用户位置经常变动的特点，定位服务的广阔市场前景是毋庸置疑的。

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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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Last summer, Boston-based Where, which runs a mobile ad network and location-based recommendation service, opened a development center in Croatia to supplement its 18-person U.S. mobile engineering staff.

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Time magazine, for example, has formed a partnership with Foursquare, a location-based mobile check-in service, for the conventions, in which Time has provided content that users can unlock when they get to certain locations in Tampa and Charlotte.

WSJ: Online Media Will Star at the Conventions

There is also a mobile version of the service that seeks to tie activities and updates to the phone user's location.

FORBES: Magazine Article