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matznerd
on Dec 17, 2011
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Show HN: My Zappos/Twilio hackathon entry
why not, what's the worst that someone can do with your shoe size?
_pius
on Dec 17, 2011
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Responding to spam at all lets the spammer know that they've got a "live one" on the other end of the email/phone.
lucaspiller
on Dec 18, 2011
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Not true for SMS. Basically all SMS gateways provide some form of delivery receipt, which are automatically sent to notify of successful delivery of a message.
EponymousCoward
on Dec 17, 2011
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Answer your "What is your shoe size?" security question...
city41
on Dec 18, 2011
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That's a pretty poor security question :)
loceng
on Dec 17, 2011
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Steal your shoes.
5l
on Dec 18, 2011
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Personally I'd not reply because I'd be worried it would subscribe me to a premium-rate text service.
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