Tattoos for blind people can be made  Oct 18 2007

Tattoos for blind people can be made by placing implants under the skin to create embossed text on the skin.

Update: Somewhat related is braille graffiti. (thx, jake)

Playboy in braille? Yup, they're produced by  Jan 04 2006

Playboy in braille? Yup, they're produced by the Library of Congress.

Best Google logo yet...a Braille version  Jan 04 2006

Best Google logo yet...a Braille version to celebrate the birthday of Louis Braille.