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in reply to Weird but true
in thread Image Verification Program

It's a pretty effective technique

Depends what you're protecting. In general I've found the opposite - even ignoring the accessibility issues. For two reasons:

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Re^2: Weird but true
by gaal (Parson) on Aug 24, 2004 at 11:42 UTC
    It's It used to be a pretty effective technique :(

    Arms races suck.