The Importance of Market Research in Lean Startups

I think some people misunderstand sometimes the lean startup concept. I see a lot of them try a bunch of stuff, but they don't do any research that we're talking about for the market before they do that. That's what product managers need to be really good at these days. And then they struggle to connect what they're doing back to the financials,. They're missing that market piece. Totally.