Our readingWhat is a korrent?
Working prototypes have replaced product requirement documents.
Drawn from what Boris Cherny said
Subjectdesign
What this subject means
design How things should be made and judged: what makes a design good, who should do the designing, and what an interface is for.
Mental modelMake it real
On the topicWhich mental models should a designer think with?under our view: Make it real: a prototype settles what a description cannot