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A comment on Share your ideas. Parent comment

Re:Share your ideas by lionheart on Saturday August 22, 2009 @01:00PM (#779503)
What if the friend you gave the card to has several email addresses? Or changes his address and tries to email you from the new one?
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Re:Share your ideas by gradschool on Saturday August 22, 2009 @01:07PM (#779515)
Bayesean filtering? If it's trained on a corpus of mail from the same person, it could be more effective than in the general case.
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Re:Share your ideas by jorgem on Saturday August 22, 2009 @06:13PM (#779886)
Until they forward you a mail.
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