New answers tagged facebook-apps
If you use an instant messaging client application, such as Trillian, Pidgin, Digsby etc., you can set them up to be able to chat over Facebook too, and those programs have settings that let you play a specific notification sound when a particular friend comes online.
This Facebook KB article shows what a Story Impression is (emphasis mine): Impressions are the number of times a post from your Page is displayed, whether the post is clicked or not. People may see multiple impressions of the same post. For example, someone might see a Page update in News Feed once, and then a second time if their friend shares it.
Facebook Pages are public, subject to any country and age restrictions set by the Page administrators. There's no way to hide your activity on public Pages administered by others, from casual viewing or from Graph Search. https://www.facebook.com/help/329858980428740 For Facebook Groups, it depends on how the Group was created: ...
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