Pay-per-view is when you display an advert and pay for every time it is displayed. Often you are charged a set amount for every thousand or so impressions. This has long been a standard for online advertising that has run alongside pay-per-click models. However, there are limitations for this model; firstly, you cannot guarantee that views are going to generate leads or that the right audience will be viewing your advert. And secondly, you could face Impression Fraud. This is where a p...