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移动位置服务被誉为短信之后手机上的另一个黄金服务,但其发展一直不愠不火,这其中有哪些原因?它具有哪些优势和挑战?
Mobile location service is hailed as another golden service on mobile phones after SMS, but its development has been on fire, what are the reasons? What are its advantages and challenges?