Curiously enough, not only does this circumvent merlyn's anti-bot scheme, but (based on the last article I read about PayPal) it could potentially be used to circumvent an important PayPal fraud-prevention scheme that uses a GIF with numbers and letters that a user must type in during a transaction.
The scheme was considered a brilliant accomplishment by industry observers, and widely attributed to the almost instant cessation of certain kinds of fraud on PayPal.
Apparently the bad guys haven't heard of Perl. Of course, a real monk would only use Perl for goodness and the greater benefit of mankind.
P.S. Sorry I don't have a reference to the article mentioned above. It was in some Newsweekesque magazine I was browsing in the gym ....
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