1957年10月4日，苏联发射了首颗人造卫星“斯普特尼克”作为精准武器的全球定位系统，为我们今天所知的GPS铺平了道路。
Sputnik - the first artificial satellite - is launched by the Soviet Union on October 4, 1957, as a global positioning system for precise weapon delivery and paves the way for GPS as we know it today.
Legolas Media的使命是提供见解，以便让广告定位更精准。
The mission of Legolas Media is to provide insights to allow for more precise advertisement targeting.
雅虎表示，将利用自己的搜索引擎来精准定位用户和广告商各自关心的内容。
Yahoo says it will use its search engine to help identify topics that users and advertisers care about.
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