8.75 Pieces of Highly Pragmatic Startup Start'n Gold
monkeytainment.com
monkeytainment.com
The author touches on the importance of using the product to build credibility, so that you have an audience to iterate from. Isn't that customer development?
Forget about the product, go talk to customers.
Consider the project mentioned in the post: http://cydros.heroku.com/
The app may be super-cool but the marketability of that website is really lacking. The video is very blurry and the presenter stumbles to get his message across. Make no mistake about it, I am not bashing on the project, I think it's a fantastic step just to have something up. I'd just like to throw it out there that maybe more time should be spent on doing marketing work, making the pitch absolutely melt in your customer's mouth and polishing up the experience a bit. That way you can optimize acquiring customer interest which in turn will give you insights on how to build the product.