The three growth engines

• [?] Are there really only three, should more research be done in this regard?

There are three growth engines that could be focused to stimulate the startups revenue, growth or validate your growth hypothesis.

1. A sticky growth engine
2. A viral growth engine
3. The paid growth engine

Reference

Ries, Eric. The Lean Startup: How Today’s Entrepreneurs Use Continuous Innovation to Create Radically Successful Businesses. 1st ed, Crown Business, 2011.

Highlights or timestamps

The Lean Startup