New credo: function follows human needs, form follows human behavior
Is the old, trusted law 'Form Follows Function' still relevant in the digital age? After all, an iPod Shuffle looks like a key fob, which looks like a memory card. Their forms aren't following function. But Sherry Wu thinks that the spirit of the law holds, it just needs to be updated to recognize that function meets a defined human need, and then the form reflects how humans act.
 

Form Follows Function Sofa, by Daan Mulder

“The appearance, or form, is cultivated through the study of human cognition and behavior. The better we understand how people think, feel and behave, the better product we can design to make it intuitive to people.”
Article: How is ‘Form Follows Function’ to 21st century Design?

 
John Perry Barlow. Image by the European Graduate School, via Wikimedia Commons