Users testing the feature see the favorites option when ready to post, and the published post shows a green badge designating its limited audience. Friends on the list can see the post in a favorites tab.
Unlike other social networking sites, the favorites list is private and visible only to the poster. Friends only know they made a list when the post start popping up in that tab.
The feature allows users to create better micro-communities within a larger social networking site, a tactic parent company Facebook is also trying by turning its focus to improving Groups.
Previously: Facebook unveils new mission statement, tools focused on Groups (June 22)
Now read: Rising Profits At Facebook »
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