UPDATE: Siri appears to be working again for us, as of 5 p.m. ET. Let us know if you're still having difficulties.
If you notice someone barking orders to their iPhone then giving it a puzzled expression, it could be because Siri isn't working.
The voice-based intelligent assistant, baked into the iPhone 4S, needs to connect to external servers to perform any of its tasks. For many users Thursday, there's been only one response to any query: "I'm sorry, I'm having trouble connecting to the network."
SEE ALSO: Siri, Seriously: 10 Ways We're Really Using Apple's Voice Assistant [POLL]
We've reached out to Apple for confirmation, but the service appears to have been down since at least 12:30 p.m. ET. That's when users started posting to this MacRumors forum, complaining of being unable to access the service.