Well let’s see. Step 1) Provide a free service that will attract millions of users Step 2) Track users and sell their attention to ad buyers. Lots of interne

Well let’s see. Step 1) Provide a free service that will attract millions of users Step 2) Track users and sell their attention to ad buyers. Lots of internet businesses would have a hard time surviving without the ads business model. It isn’t the definition but it sure seems like a huge integral part of it in reality.