Opt out of global data surveillance programs like PRISM, XKeyscore and Tempora. Help make mass surveillance of entire populations uneconomical! We all have a right to privacy, which you can exercise today by encrypting your communications and ending your reliance on proprietary services.
M. De Wael, S. Marr, and T. Van Cutsem. Proceedings of the 2014 International Conference on Principles and Practices of Programming on the Java Platform: Virtual Machines, Languages, and Tools, page 39--50. (September 2014)(acceptance rate 39%).