You know all about “lean” and it’s famous “Build-Measure-Learn” principle. The holy grail. Follow this simple maxim and you’ll be successful.
Not quite so fast.
Some companies run into trouble because they overly rely on the audience response. They say “I am going to tweak the product in response to what the audience has shown it likes.” But that results in incremental change and makes it more difficult to conceive of and to allow for something radically new.
And you need both.
You want to be in the middle ground between those two pulls.