Recommended (optional) reading

Google, Facebook, Microsoft, and Twitter partner for ambitious new data project
Fischer-Hübner, Simone, Julio Angulo, and Tobias Pulls. "How can cloud users be supported in deciding on, tracking and controlling how their data are used?." IFIP PrimeLife International Summer School on Privacy and Identity Management for Life. Springer, Berlin, Heidelberg, 2013.
Angulo, Julio, et al. "Usable transparency with the data track: a tool for visualizing data disclosures." Proceedings of the 33rd Annual ACM Conference Extended Abstracts on Human Factors in Computing Systems. ACM, 2015.
Patrick Murmann and Simone Fischer-Hübner. "Tools for Achieving Usable Ex Post Transparency: A Survey." IEEE Access (2017).

Tools