Twenty-Two Tips for a Happier, Healthier Prototype
Twenty-Two Tips for a Happier, Healthier Prototype [2]
Summary
Twenty-Two, quite obvious tips for prototyping, like "Use the best tools." Not much meat in this article.
Improvements
About everything. Some Examples or references to studies would be good to backup statements. Statements that are not related to prototyping, like "The customer is king" should be removed.