Decoding the pattern was neither hard nor expensive for the EFF
team. Schoen estimates that EFF spent less than $1000 investigating and
decoding the tracking dots. After receiving the printouts, it took the
team about one week to solve the puzzle and Schoen adds, "computer
experts like to solve puzzles".
Related stories:
Electronic Frontier Foundation's DocuColor Tracking Dot Guide
List of printers that print tracking dots
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