Customer Customer Development Product Development Viral 
Startup Lessons Learned
DECEMBER 14, 2009
Lessons Learned by Eric Ries Monday, December 14, 2009 Business ecology and the four customer currencies Lately, I’ve been rethinking the concept of “business model&# for startups, in favor of something I call “business ecology.&# Let’s begin with the four customer currencies. And this is true outside of games.
YoungUpstarts
APRIL 21, 2013
Through rapid experimentation, short product development cycles, and rigorous measurements of the right metrics, they can ascertain what customers really want. Such direct experiences allows one to test critical “leap-of-faith” assumptions about what customers like and dislike.
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Startup Lessons Learned
APRIL 14, 2009
Lessons Learned by Eric Ries Tuesday, April 14, 2009 Validated learning about customers Would you rather have $30,000 or $1 million in revenues for your startup? This may sound crazy, coming as it does from an advocate of c harging customers for your product from day one. They are gaining valuable customer data.
Startup Lessons Learned
SEPTEMBER 22, 2008
I break the answer to that question down into three engines: Viral - this is the business model identified in the presentation as "Get Users." Here, the key metrics are Acquisition and Referral, combined into the now-famous viral coefficient. If the coefficient is > 1.0 , you generally have a viral hit on your hands.
Startup Lessons Learned
DECEMBER 16, 2008
Lessons Learned by Eric Ries Tuesday, December 16, 2008 Engagement loops: beyond viral Theres a great and growing corpus of writing about viral loops, the step-by-step optimizations you can use to encourage maximum growth of online products by having customers invite each other to join. Organic notifications.
Startup Lessons Learned
APRIL 7, 2010
Instead, we try to accelerate with respect to validated learning about customers. There are often counter-intuitive changes in customer behavior that depend on little details. In fact, the curse of product development is that sometimes small things make a huge difference and sometimes huge things make no difference.
Startup Lessons Learned
SEPTEMBER 15, 2008
In my experience, the majority of changes we made to products have no effect at all on customer behavior. The report is set up to show you what happened to customers who registered in that period (a so-called cohort analysis ). This report is set up to tell you about new customers specifically. One last note on reporting.
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