Pay Per Click, or abbreviated as PPC has begun invented this type of service system in 1998, the web team a year later Goto.com 1999 Google has started to pay per click system to be enhanced. and with it has been issued in 2002, Have to play their role in Thailand in 2005 and is known more widely about the 2006 is a form of Internet advertising. By paying for advertising to pay expenses in the cost per click to visit each site to host ads on partner sites to search engines to display banners or text ads that appear in different ways. As the purpose of the selected pay per click advertising in Advertising manner. The ad is called Link who support or ad-supported. The pay per click advertising services, we are well-known Google AdWords, Overture by Yahoo, Microsoft adCenter three operators have to pay per click network, largest There is also a provider of advertising pay per click one a lot like Bidvertiser, Obeus, AdBrite, InfoLinks, etc. In our house, it looks provider in many cases, such as Adyim, AdDoer by Truehits, BumQ, Nipa,. etc..