Recent trends on the Internet are widgets that allow you to increase revenue from its website. Examples include Widgetbucks and SmartLinks. Some of these services operate in accordance with the PPC scheme, others behave like text link ads, and some leverage affiliate link.
Their main differentiator, however, is the fact that they work as web widgets, making it easier for users to connect and play the service on its website.
List of companies that provide monetization widgets:
* WidgetBucks
* ScratchBack
* SmartLinks