First, it’s important to note that the software-as-a-service model relies entirely on the internet, so people will only buy subscriptions if they have internet access. These days, we often take it for granted that everyone has internet access, but that hasn’t always been true. In 1997, only 18% of Americans had internet access at home, but that number had quadrupled to 72% by 2011,[432] which made it much more feasible to start selling software solely over the internet.
