Lior, you might find useful a special issue of First Monday on Non-use of technology: Perspectives and approaches - Volume 20, Number 11 - 2 November 2015 <http://firstmonday.org/ojs/index.php/fm/issue/view/463>. I have an article in this issue: Nancy Van House. 2015. Entangled with technology: engagement with Facebook among the young old. *First Monday* 20, 11.