These are geared towards helping you experiment with developing more effective search applications and finding your way through the ever-growing information space that surrounds us all.

这些工具的目标是帮助您进行试验，以便开发出更有效的搜索应用程序，并对我们周围日益增长的信息空间，找到合适的搜索方式。

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Thus, search engines become more effective than they are now, and users can find the precise information they are hunting.

这样，搜索引擎会变得比现在更有效率，用户也会精确地找到所要寻找的信息。

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But search engines have proved since 2004 that targeted text ads are a far more effective method of wringing dollars from the Web than display advertising.

FORBES: Climbing The Web Ad Landscape

But for it to be more effective, Facebook would have to greatly improve how it collects information from people going forward, or expand its search powers to comb through status updates and comments.

CNN: Heather Kelly,