traffic addict - I had to register to read the article. if this link doesn't work, follow the instructions under the link...
forbes article
+ go to:
www.forbes.com
+ enter 'paycom' in the search box.
+ 2 articles show up listed by date. you want the current article (haven't read the other - its from 2001 and also deals with online porn billings).
+ they will ask you to register. Nice thing is that you can give a fake email addy if you want - you get instant access.