In a testament to the power of intuitive design, Steve Jobs, the iconic co-founder of Apple, sketched the original Macintosh ...

And why letting people come up with their own ideas, and actually try those ideas, is almost always the best approach.

In 1982, a 21-year-old Chris Espinosa faced a familiar challenge in software design: satisfying Steve Jobs’ exacting eye.

The longevity of Jobs’ 10-minute design session suggests the approach worked. The calculator survived nearly two decades of ...