Table of Contents
1 - Business Model
1.1 - CPM (Cost Per Thousand)
Advertisers pay for exposure of their message to a specific audience. (M in the acronym is the Roman numeral for one thousand)
1.2 - CPC (Cost Per Click) aka Pay per click (PPC)
Advertisers pay every time a user clicks on their listing and is redirected to their website.
1.3 - CPA (Cost Per Action) or (Cost Per Acquisition)
The publisher takes all the risk of running the ad, and the advertiser pays only for the amount of users who complete a transaction, such as a purchase or sign-up.