https://rusi.org/commentary/data-driven-responses-coronavirus-pandemic-and-privacy-implications
https://www.nature.com/articles/d41586-020-01993-3
https://deontofi.com/pouvoir-dachat-inflation-croire-chiffres-insee/
http://www.ips-journal.eu/regions/global/article/show/why-pollsters-normally-get-it-right-more-or-less-2299/