http://www.forbes.com/sites/kashmirhill/2013/08/21/use-of-ad-blocking-is-on-the-rise/ http://www.forbes.com/sites/kashmirhill/2013/08/21/use-of-ad... Maybe 30%

http://www.forbes.com/sites/kashmirhill/2013/08/21/use-of-ad-blocking-is-on-the-rise/ http://www.forbes.com/sites/kashmirhill/2013/08/21/use-of-ad... Maybe 30%, worst case?