Advertising Channel Continuous Deployment IP 
Startup Lessons Learned
JANUARY 11, 2009
Lessons Learned by Eric Ries Sunday, January 11, 2009 CPI > CPC Google revolutionized advertising by popularizing pay-per-click. Because social networks have generated staggering quantities of traffic without generating as much economic value from traditional advertising models, theres a big opportunity to buy traffic on a new model.
Startup Lessons Learned
SEPTEMBER 11, 2009
They are largely invisible in the normal channels where customer service and community management pays attention. We kept denying that we had done anything wrong, that the features still worked as advertised, and justifying our decisions instead of apologizing. When we finally understood the problem, fixing it was relatively easy.
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