https://www.ademe.fr/sites/default/files/assets/documents/enquete-tremi-2017-010422.pdf
http://www.europarl.europa.eu/pdf/eurobarometre/2018/oneyearbefore2019/eb89_one_year_before_2019_eurobarometer_en_results_annex.pdf
https://www.occrp.org/en/investigations/murder-drugs-and-extortion-in-tuscanys-chinese-underworld
https://www.scss.tcd.ie/Doug.Leith/Android_privacy_report.pdf