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I've seen companies start to advertise that they can link twitter handles to e-mails and vice-a-verse -- this sounds like a bit of a tall claim.

Anybody have any thoughts on how reliable these claims are?

closed as off-topic by Andrew - OpenGeoCode, philshem, Joe Germuska, albert, Jeanne Holm Mar 6 '15 at 13:19

This question appears to be off-topic. The users who voted to close gave this specific reason:

  • "This question does not appear to be about open data within the scope defined in the help center." – Andrew - OpenGeoCode, philshem, Joe Germuska, albert, Jeanne Holm
If this question can be reworded to fit the rules in the help center, please edit the question.

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    user1172468@gmail.com ??? – philshem Feb 26 '15 at 19:02
  • that's what I thought -- but like with your example my e-mail is not user1172468@gmail.com – user1172468 Feb 28 '15 at 7:38
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    Could you please detail how is this an "Open data" question? Thanks! – Nicolas Raoul Mar 6 '15 at 6:32
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Depending upon a Twitter user's Twitter configuration you can locate their Twitter profile searching with their email address or telephone number. See more here: https://support.twitter.com/articles/20170001.

I'm unaware of a quick way to locate an email address with ONLY a Twitter ID.

I suppose someone with a list of valid email addresses could bang away at Twitter and build their own Db of email addresses to Twitter IDs.

If there is a match on an email I think it would be moderately to very reliable. The absence of a match, however, would very unreliably indicate the absence of a corresponding Twitter profile.

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