Because color is such an integral part of fashion design, courts had been hesitant to extend the same protection to clothes.

FORBES: Louboutin Wins Protection For Red, But Don't Try To Grab Blue Just Yet

The entertaining episode also features a guest appearance from pinball designer John Popaduik who, through his work at electronic gaming manufacturer Williams Bally Midway, played an integral role in the design process for pinball machines such as Circus Voltaire and Theatre of Magic.

ENGADGET: Ben Heck splits and condenses a pair of Xbox 360 controllers for the disabled

Design for Internet companies is often thought of as just a top layer of pretty paint, but Facebook and other start-ups are integrating design as an integral part of their overall strategy.

FORBES: Design For Facebook, Mint, Posterous Not Just Pretty Pixels

Design reigned supreme in the 20th century, when it was an integral part of the way artists, publishers, governments and political parties communicated to the first mass audiences.

FORBES: The Undesigned Web