New York Times - January 31, 2008
link to the article

L

There are so many kinds of mosaic tile. How do I choose something interesting and tasteful?
Tim McKeough

New York Times
Room to Improve

...If you are willing to try something different, consider the work of a San Francisco company called Exactmosaics (650-722-2866 or www.exactmosaics.com), which uses pattern-recognition software to build a mosaic replication of a photo of your choice, like the lotus above.

"The software tells us which tile to pick out and at which rotation to place it," based on the color and veining of the stone, said Nick Berd, a founder of the company. Prices start at $250 a square foot...