Hmn. The user table should be updated; I can only think of two situations here:

1. There was a lag between collecting the information and the
information being used, and the change happened then;
2. There was a lag in the databases, and the change happened then;
3. The user didn't change their email address on whatever project we
queried (is it a global change? Can any developers chip in here?)

I've left some thoughts on that page regarding the privacy policy - I
understand the users' concerns but I don't think they're founded on a
valid interpretation. Hopefully it helps. Thank you, Leila, for your
ongoing work here :)

On 27 June 2015 at 17:30, Leila Zia <leila@wikimedia.org> wrote:
> Hi,
>
> For the article recommendation test, we queried user table to get editors'
> email addresses. We then excluded the emails that were not verified. We've
> received a comment here that suggests the user has changed his/her email
> addresse and we have somehow retained the old email address. I'd like to get
> to the bottom of this problem. Can someone help with this, in the Talk page
> or here? Are we looking at the wrong table? And in general, how can old
> information be in the user table?
>
> Sorry for sending an email over the weekend. A response on Monday would be
> great. :-)
>
> Thank you!
>
> Leila
>

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--
Oliver Keyes
Research Analyst
Wikimedia Foundation

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