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epaga
on Feb 7, 2012
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Path uploads your entire iPhone address book to it...
Though it's quite a difference whether the contacts are checked client-side or all sent over to THEIR server including all (unnecessary) info.
phuff
on Feb 7, 2012
[–]
How do you propose to check them client side? :) You still have to send each contact over to the server...
epaga
on Feb 8, 2012
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parent
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As Matt Gemmell proposed: send over the hash codes of the email addresses or whatever else needs to be compared.
phuff
on Feb 9, 2012
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root
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Yeah, but you still have to store the hashes server side in the case where you want to notify people when their friends join (which is how Path was using the data).
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