Lean SEM Viral 
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
NOVEMBER 7, 2008
Dont worry about selecting particularly good keywords, if youre new to SEM. SEM only gets at one segment of users, and for a brand new product, you presumably need some skill at marketing in general and adsense in particular to get any useful info. The Lean Startup Intensive is tomorrow at Web 2.0. Just put in your credit card.
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Startup Lessons Learned
SEPTEMBER 15, 2008
Lessons Learned by Eric Ries Monday, September 15, 2008 The one line split-test, or how to A/B all the time Split-testing is a core lean startup discipline, and its one of those rare topics that comes up just as often in a technical context as in a business-oriented one when Im talking to startups. Expo SF (May. for Harvard Business Revie.
Startup Lessons Learned
MARCH 13, 2009
If the viral coefficient is 0.9, Start with a five-dollar-a-day SEM campaign. the most sensible SEM advice Ive read - discussed in the context of a real situation. The Lean Startup Intensive is tomorrow at Web 2.0. Pay attention to your fundamental driver of growth. keep iterating until its 1.1 before you launch.
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. If you sell an online service that solves a defined problem, you can compete in SEO or SEM. The Lean Startup Intensive is tomorrow at Web 2.0.
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. The Lean Startup Intensive is tomorrow at Web 2.0. Amazing lean startup resources Is Entrepreneurship a Management Science?
Steve Blank
DECEMBER 7, 2010
Actually engage in “search engine marketing” (SEM)spend $20 as a team to test customer acquisition cost. If you’re assuming virality of your product, you will need to show viral propagation of your product and the improvement of your viral coefficient over several experiments. Get real costs from suppliers.
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