UPC E/Bill Gates uses compressed bar codes that are called "zero suppressed" or UPC Version E to paint a portrait of Bill Gates. I used the entire range of possible bar codes to generate the halftone. The low contrast face image makes the limits of this technology percivable. My bar code signature, in the lower left corner, scans as a Pepsi 2-Liter. Date Created - December 19, 2000 Physical Dimensions - 50 x 50" (127 x 127 cm) Pixel Dimensions - 10600 x 10600 Pixels Per Inch - 212 ppi File Size - 35.4 Megabytes Color Mode - Grayscale File Format - Photoshop Flattened Individual Bar Code Physical Dimensions - 1 x 1/2" (2.54 x 1.27 cm) Individual Bar Code Pixel Dimensions - 212 x 106 Bar Codes Generated - 1792 Number of Bar Codes Wide - 50 Number of Bar Codes High - 100 Total Bar Codes in Final Image - 5000 Font - OCR B Hardware - Power Macintosh G3 300 MHz with 192 MB RAM Software - Mac OS 8.1 Adobe Photoshop 5.02 Microsoft Excel 98