This document provides an overview of the paid online content business. It discusses how many formerly free websites and services are now moving to paid models due to declining advertising revenues. It analyzes the size and growth of the overall paid content market, and identifies the most popular categories such as business/investing, entertainment, and personals/dating, which together account for over 60% of revenues. Various research reports and projections indicate the paid content market will continue growing substantially in coming years as more people are willing to pay for unique and valuable online information and services.