Adword is referred as the main advertising product of Google which is useful to make appear your ads on Google and its partner websites including Google Search. This Google's product offer PPC (Pay Per Click) advertising which is a primary module and incorporate a sub module CPC (Cost Per Click) where we bid that rate that will be charged only when the users click your advertisement. One another sub module is CPM (Cost Per Thousand Impression) advertising where advertiser pay for a thousand impressions on flat rate to the publisher. In addition it also includes website targeted advertising of banner, text and rich-media ads. Moreover, the ad will appear especially to those people who are already looking for such type of product you are offering as well as offer to choose particular sites with the geographical area to show your ads.