Sascha Fahl, Marian Harbach, Thomas Muders, Matthew Smith, Uwe Sander. Helping Johnny 2.0 to encrypt his Facebook conversations. In Lorrie Faith Cranor, editor, Symposium On Usable Privacy and Security, SOUPS '12, Washington, DC, USA - July 11 - 13, 2012. pages 11, ACM, 2012. [doi]