1. Angwin, J. (2011, August 10). Senators offer a privacy bill to protect personal data. The Wall Street Journal. .
2. Bradley, T. (2011, February 10). Why browser ’Do Not Track’ features won’t work. PCWorld. .
3. Confirmatory factor analysis for applied research;Brown,2006
4. BtoBonline.com (2012, October 9). IAB urges members to ignore Microsoft’s do not track default setting. B2B Magazine. .
5. Consequences of value in retail markets;Chaudhuri;Journal of Retailing,2009