Online publishers are looking for ways to leverage viral content distribution and to encourage their readers to share the articles they read with their friends. In doing so, publishers enjoy the free marketing and advertisement for their content and increase their circulation and readership. Faced with the dominance of Facebook in social marketing and the availability of the social platform’s built-in tools, publishers may consider abandoning their own distribution channels,

The ubiquity of Facebook in modern life compels us to study its effects on well-being. We study a unique sample of users and non-users in a security-related organization, where Facebook usage was manipulated by an organizational policy change, initially banning Facebook altogether and later differentially restricting its usage. Thus, the assignment to the group of non-users was circumstantial rather than due to a-priori personal characteristics, which makes it possible to ide