The Piazza has moved to a temporary URL:
EDIT: The Piazza is back on its normal URL now.
There are some unresolved technical issues from the v3-v4 server move and the forum will remain on this temporary URL (with “/thepiazza” added in before “/bb”) until those are resolved. Once those are fixed, the forum will return to its normal URL.
If you have any problems logging in, please post a message in the Facebook group for The Piazza and one of the moderators will give you advice:
https://www.facebook.com/groups/thepiazza/
[...] At the same time this was happening, the world’s other leading World of Warcraft: The Roleplaying Game forum, the one at The Piazza, was affected by maintenance there. That forum also vanished for a few days, but then The Piazza returned on a temporary URL. [...]
[...] last year, D&D Nexus reported that The Piazza moved from its normal URL to a temporary one. Now it is back on its main URL: [...]
The Piazza is back on its normal URL. Read more here:
http://dndnexus.com/2012/03/07/the-piazza-back-on-its-normal-url/