On Wednesday 12 September 2007 16:01, Jenkinson, John P (SAIC) wrote:
> similar or not similar??
> most color printers place very minute dots on pages when printing in
> color
> the pattern of these dots uniquely identifies the printer
> to thwart counterfeiting i'd expect.
> it takes a very powerful magnification to spot these dots
More info:
http://www.seeingyellow.com/
http://www.eff.org/Privacy/printers/list.php
j
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