Opening Pandora's Box: A Review of NPD's Study of the Effects of Adult Content Filtering on Parental Intent, Perceptions, and Uptake of Digital Entertainment for Children", April 2010. https://web.archive.org/web/20110608204213/http://www.ipill.com/about.htm External links "IPill - a digital parental control device for PCs and MACs." (official website) Category:Digital rights management systems Category:Computing and society Category:Human–computer interaction Category:Media players Category:Net censorship Category:Parental control software