Date de publication : 2 oct. 2014 15:54:17
http://www.theguardian.com/technology/datablog/2014/jan/10/how-tracking-customers-in-store-will-soon-be-the-norm
http://mediasmarts.ca/sites/default/files/pdfs/lesson-plan/Lesson_Youve_Gotta_Have_a_Gimmick.pdf
https://blog.kissmetrics.com/color-psychology/?wide=1
