除了百科全书、搜索引擎、公关，许多其他产业也会逐渐感到来自维基媒体诸项目组成的自由内容兵团的压力。

In addition to encyclopedias, search, and pr, a number of other industries are going to feel pressure from the free content behemoth of Wikimedia projects.

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社会化搜索理念早在2004年即已出现，那时Eurekster的“swiki”——有些像搜索引擎，也有些像维基——已开始通过跟踪用户的搜索行为来调整自己的结果。

The idea for social search appeared as early as 2004, when Eurekster's "swiki" -part search, part wiki-began offering search results that "learn" from user behavior.

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