https://www.poynter.org/reporting-editing/2013/washington-post-paywall-will-launch-june-12/

The article describes the 2013 plans of the Washington post newspaper to charge for access to online content. Why is it that newspapers appear to be more able to charge for online access to basic digital material then other providers of information, such as music and software, which must give away basic versions of their products for free in order to create the man for revenue generating premium? Could you help me answer this?