Governors also prefer to mix red and blue ideas.

ECONOMIST: Lexington

And I want to cut red tape that keeps entrepreneurs from turning new ideas into thriving businesses.

WHITEHOUSE: President Obama Addresses Council of La Raza

Indeed, during a recent interview in London, he handed over the notebook--red, of course--in which he jots down business ideas.

FORBES: Red Baron

Ideas like this particularly appeal to hardliners who dislike penal liberalism and decry union influence and red tape.

ECONOMIST: Bagehot

It is true that Ken is no longer as red as he was in the 1980s. (Who is?) Some of his new ideas for London, such as a proposal to issue bonds to finance investment in the Tube, are perfectly sensible.

ECONOMIST: The trouble with Ken

Samuel Fuller, who was a novelist as well as movie director, used to write up these big storyboards, not necessarily with ideas, but he would have this different - the sequence of scenes in different colors: red for a romantic scene, blue for an action sequence - and try to vary his pace that way.

NPR: Could You Be the Great American Novelist?

Go back and read the back issues of almost any of the various tech publications from Internet Bubble 1.0--the late, great mags like Business 2.0, the Red Herring, Upside and The Industry Standard--and you will find an endless array of simply loopy ideas about what the world was then creating.

FORBES: Magazine Article