saas-pricing
- http://blog.learningbyshipping.com/2014/05/16/the-price-is-right-for-early-stage-saas-companies-it-needs-to-be/
- https://github.com/ligthyear/ebook-saas-pricing/blob/master/book/book.asc
- http://www.onthe.co/blog/how-to-price-a-saas-solution
- http://sixteenventures.com/saas-pricing-strategy
- https://blog.kissmetrics.com/saasy-pricing-strategies/