This is a fascinating set of videos that were take by Converse (the shoe company) of several Oakland area spraycan artists from the early 90s. The commercials were never used.

The "short" commercials are so different from the lengthier interview footage. It's like night and day, or, maybe, "child" and "young adult".

See: the videos

Nice Mullets!

See: http://crayone.com/ for more.

Additionally, this fascinating article about vernacular mathematics, and stylized graffiti as a form of community cryptography: Street Math in Wildstyle Graffiti Art.