Homepage says "Groupon is temporarily unavailable, either because we're updating the site or because someone spilled coffee on it again. The site will be back just as soon as we finish the update or clean up the coffee."

Clicked on "Buy!" and got "

Internal Server Error - Read

The server encountered an internal error or misconfiguration and was unable to complete your request.

Reference #3.884eaad1.1350509354.645c735