Steam detected I finally found someone who'd buy the game I was selling and immediately shut down all servers.

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Mine said it was up, opened the Friends List, list immediately went offline citing "Routine maintenance" as the cause.
Prognosis: Not good
Suggested course of action: Scream and run around in circles until the servers come back up and/or faints from exhaustion.
 
Mine said it was up, opened the Friends List, list immediately went offline citing "Routine maintenance" as the cause.
Prognosis: Not good
Suggested course of action: Scream and run around in circles until the servers come back up and/or faints from exhaustion.
WTF?! I never got that notice, just random dc and random reconnect
 
This is why I don't use Steam chat as a primary method of communication.

It goes down every Tuesday afternoon for at least an hour.