1. http://tomuse.com/daily-deal-sites-groupon-disadvantages-local-business-advertising/
2. http://www.sitejabber.com/blog/2010/10/06/the-pros-and-cons-of-daily-deals-further-explained/
3. http://www.moneycrashers.com/the-pros-and-cons-of-%E2%80%9Cdaily-deals%E2%80%9D-websites/
4. http://www.my3cents.com/showReview.cgi?id=75164
5. http://www.woot.com/forums/viewpost.aspx?postid=1139203
6. http://www.pwc.com/us/en/forensic-services/publications/trademark-dilution.jhtml
7. http://www.enotes.com/topic/Trademark_dilution