Twitter and Facebook Open the Door to Collaboration.

The article focuses on the use of the online social networks Twitter and Facebook by libraries for collaboration on the Web. The use of the sites by the Institute for Research on Labor and Employment Library for its outreach initiatives, which included activist blogging and Twittering, is described. The role of Twitter and Facebook in a full-scale collaboration between library-based programmers and the Labor Center with regard to a healthcare calculator for the U.S. is also discussed.