2006年，XMarks开始提供Firefox插件，允许用户通过互联网在多台电脑之间同步保存浏览器书签。

In 2006, XMarks started out as a Firefox-plugin, which allowed consumers to take their browser bookmarks and save them on the Internet and sync them across multiple computers.

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实际上，你可以通过互联网同步火狐浏览器的扩展插件。

In fact, it's what we used to sync Firefox extensions across the Internet.

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