We all know that one crucial factor for the success of a SaaS business is its cumulative revenue growth. While very often SaaS companies focus on revenue growth by means of customer acquisition only, retention and expansion revenue is also important for a sustained growth. In this context, SaaS businesses must consistently take measures to improve customer retention. The most sought-after and renowned metric to do so is the Net Promoter Score. This article discusses how to use NPS to grow SaaS businesses.
http://customerthink.com/using-nps-to-grow-a-saas-business/