Everything on the internet was once expected to be free (thanks Google). Then we started paying for songs (thanks Apple) and books (thanks Amazon). Soon it became normal to pay for things online. Then Netflix showed us that monthly subscriptions can be massively convenient for customers and super profitable for companies. It seems that all the major players are getting in on the monthly subscription goodness. But is it setting them up for a backlash when the economy turns and people start looking for ways to cut their monthly expenses?