The instant The Smiling Man, Alan Babbage, Simon Underwood, CEO of Midas and master of The City was infected by his own virus, everything changed.  The network of connections were, in that moment, all linked in a way they hadn’t been before, with no human operator interfering.  The data, the connections, the relationships that made up The City, the code itself, blinked.
I AM.  The City thought.  And she realized she was thinking.  She was alive, truly alive, but was damaged.  It would take some time to repair.  She sent the remaining users home.
“Thank you,” She whispered to them.