How many digital memberships do you have? Subscriptions were once mainly the domain of newspapers, magazines, and Cable TV, but now an increasing number of digital companies are looking to increase revenue by offering subscription options as well.
This evolution is led by relatively long-standing offerings like Amazon Prime and Netflix, and more recently by services such as Microsoft Office 365 and Google Play Music All Access. And in addition to the mega-brands there are dozens of smaller firms jumping on....