No, it's not Steam down.
No, it's not Steam down.
Occasionally it occurs. The servers lose connection and change data because they're handling too much information, which means you might log in as another person more often than intended. In this situation, being a considerate individual would be wise—just wait it out to avoid unintentionally exposing private details.
This article discusses a Steam promotion allowing access to accounts from other platforms.
Major issues with page caching; other users' accounts are visible. Log out right away and avoid interacting until resolved.