Vendors had to implement these necessary features with proprietary extensions; and proprietary extensions tend to limit user interest.

供应商必须通过私有扩展来实现这些必需的特性，而私有扩展往往减少了用户的兴趣。

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Probe: Location of user interest either in kernel or in application from where data needs to be recorded.

探测（Probe）：内核或应用程序中用户感兴趣的位置，需要记录来自这些地方的数据。

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This happens for searches that indicate a strong user interest in a particular domain.

这将出现在那些用户关注程度大的域名搜索结果中。

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On top of this long list of conflict of interest problems, DoubleClick also brings Google its history of user-end privacy controversies.

FORBES: Google's TroubleClick

Because each user is motivated to find things that interest them, content curation is an invariable by-product.

FORBES: Pinterest's Obvious Secret

Radar View: provides a high-level snapshot of the resort and shows the user's location and points of interest.

ENGADGET: Recon updates its HUD tech, adds new view modes to MOD Live