On: How to Know Your Product Will Succeed

[anotheryou]

Was there any example where this was not (unexpectedly) many (physically typed) emails? Why did I even read this...

"If people express interested or thank for it unasked" might fit better.

[natural_capital → anotheryou]

I think the point is that expressing interest is not sufficient enough. There are plenty of examples where people 'express interest' in something but don't go out of the way to act differently with it.