One of the killer features of the iPhone 4S set to be released on Friday is Apple’s voice recognition assistant: Siri.

No one has seen Siri and wasn’t blown away by how futuristic it is. And for those purposes, Macworld prepared an 11 minute video showing the feature:

You can also check out this shorter video of Siri in action:

And in case you’re wondering, no, Siri will not send out marriage proposals: