One of the problems of founders at their early stages is that they are making some leaps of faith on their business ideas. Knowing the most riskiest hypothesis and applying lean methods, help to test and validate the business model from the early stages reducing the biggest leaps of faith.
CustDev and Lean Startup are essential methods for founders who really want to nail their customers, building products with traction rather than something that nobody wants. So, it is truly worthy to spend some time on learning it.
This talk was done at the Barcelona Lean Startup Circle Meetup http://ow.ly/kw2L0