Further reading:
"Anonymised" data on internet users obtained for "research"
Relationships between industry and academia
https://www.theguardian.com/news/2018/mar/22/facebook-gave-d...
Self-regulation
Patents on protecting communications (see FN 18)
https://gking.harvard.edu/files/LazPenAda09.pdf
http://www.nytimes.com/2006/08/09/technology/09aol.html
Data from 12 million Facebook users
"There are legal obstacles to making the data available" (see Acknowledgments)