Engineer Product Development Viral Wiki 
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.
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Startup Lessons Learned
DECEMBER 14, 2009
In a previous post , I covered the three main drivers of growth: Paid, Sticky, and Viral. A minimum viable product in this category must answer the question: does my media content or channel command the attention of a valuable audience? Let’s look at a viral growth company, like Facebook. As soon as possible!&#
Startup Lessons Learned
SEPTEMBER 12, 2008
vs. sustainable: Compare this to the renewable strategies, like viral marketing, SEO, widgets, and ads, which can scale into 10s of millions of users but are primarily centered around tough, non-user centric work. Thoughts on scientific product development Lo, my 5 subscribers, who are you? April 23, 2010 in San Francisco.
Startup Lessons Learned
SEPTEMBER 18, 2008
On Facebook, viral distribution has proved decisive. Those companies who have learned to build apps that optimize the viral loop dominate in every category where they compete. So far, I dont see any apps that have much in the way of viral distribution. Labels: iPhone , search engine marketing 3comments: Blake Engel said.
Startup Lessons Learned
APRIL 7, 2010
In fact, the curse of product development is that sometimes small things make a huge difference and sometimes huge things make no difference. When people (ok, engineers) who have been trained in this model enter most startups, they quickly get confused. Or should you focus on user engagement or virality?
Startup Lessons Learned
OCTOBER 11, 2009
The first few changes, like a price change, may not require a lot of engineering effort. But they require coordination across departments – engineering, marketing, customers service. The team was adept at responding to changes in direction from the product owner, and always delivered quality code.
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