CPC and one single unit price of Internet advertising with click one time per charge. And click text ads shown on Web pages and emails, banner ads, visit customer site visitors and incur charges for CPC. Ads such as MVNOs that click guaranteed advertising. CPC differs from distribution scale and the post method, but generally among dozens of yen from a few cents. By keywords in the recent increase in popularity of search ads and advertisers, to locate people well CPC from hundreds of thousands to climb there.