Besides calling home, what motivation do they have to improve their tools under the subscription model? Upgrades have to be appealing enough to bother paying – built-in motivation to produce a superior product.<p>With subscriptions, they don&#x27;t have to improve the software; it&#x27;s guaranteed revenue as long as one wants to use the tool. Eventually a competitor might step in and create something better, but until then you&#x27;re stuck paying whether or not the software is improving.