Siri may have a lot of brains behind its technology, but it lacks the hopelessly sardonic demeanor that people like Corey Thomas enjoy — he's created GLaDOS, a personal assistant inspired by the menacing AI from Portal, which responds to voice recognition using the Kinect. GLaDOS can recognize its own name, open and close programs, and offer plenty of biting insults. The program responds pretty quickly to commands, which you can see for yourself in the video below.