Commercial media have faced product and price challenges in 2-sided markets for more than a century, but are encountering greater difficulties in getting it right as they try to effectively monetize multi-sided markets. 2-sided and multi-sided markets are ones in which more than one set of consumers must be addressed and there is an interaction between strategies and choices for each set of customers. Prices for one group of consumers affects their consumption quantity and this, in turn, affects the prices for and consumption by the other groups. Optimal revenues can only be achieved by dealing with all groups of consumers simultaneously. Newspapers are a classic example of 2-sided platforms. The first product is the content sold to audiences and the second is access to audiences that is sold to advertisers. This has been the basis of the mass media business model since late 19th century and the strategy has been to keep circulation prices low to attract a mass audience and then to mak...