Bookmarklet Lets Facebook Users View the "Friend Rankings" List of Those They Interact With Most

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Facebook users can currently see the usually hidden list of which friends they interact with most by running a line of JavaScript through a bookmarklet created by developer Jeremy Keeshin. When the bookmarklet is clicked while one browses Facebook, an overlay called “Facebook Friend Rankings” appears in which the lower the number next to a friend’s name, the more a user communicates with, views the profile of, and searches for that friend or other Facebook user.

The information exposed by the JavaScript might alarm some users, as they might not expect that Facebook had been quantifying their behavior so exactly to power products such as the relevancy-filtered Top News feed, search results, and who

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