I am working on an article for which I am asking from SaaS founders and employees about the most important SaaS KPIs for the growth of their business. When you answer, don't forget to write your SaaS name, the age of your business.

When adopting lean startup principles, the team velocity proceeds measurable product progress.

Slack: Where work happens. More and more, that value statement is true. There are an estimated 50,000+ paying teams on Slack, in over 100 countries. Nine million people are using it every week in companies around the globe. Including this one here in Boston.