The Little, Big Idea
medium.com
medium.com
They have some domain expertise, and they've let that convince them that they know exactly what needs to be built. They've slaved over designs, they've painstakingly considered all the angles they think matter, and they've been operating on pure hypotheticals for months on end.
The reality is that, should you prevail and be successful, your product will only loosely resemble what you're envisioning right now. I am frequently frustrated - even by experienced technologists - whose "MVPs" are the size of the moon, and they regard validation as being only applicable to details, not the core of their concept.
As someone once said, "no battle plan ever survives contact with the enemy".
https://news.ycombinator.com/item?id=5931889
Three points, no comments. This repeat already has 7 points - let's see how much better it does.
Perhaps this is overly harsh, but all these superficially insightful posts in font-size: 300 strike me as rather narcissistic.
http://www.amazon.com/gp/product/0976470705
and while it's a bit "corporate", many of the concepts presented there are dead-on.