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"tea" is the name currently used for the old meta site of MathOverflow, which is now hosted on http://mathoverflow.tqft.net/ In contrast to the current site it was not Q&A based.

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tea.mathoverflow.net deprecated

The Stack Exchange staff have asked us to remove tea (what came before meta) from the *.mathoverflow.net domain, for security reasons. The content of tea will ...
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1answer
173 views

Trouble with tea?

This post has a link to this one on the old-meta-now-tea site, but when I clicked on it, I got this: A fatal, non-recoverable error has occurred Technical information (for support personel): Error ...
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6answers
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Shall we have tea?

As was recently discussed at Should meta be Q&A?, it's rather strange to have our meta site run on a Q&A basis. In the past our meta site was a Vanilla forum, and in fact it still exists, ...
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1answer
612 views

Where's the old meta?

Where's the old meta.mathoverflow.net?