Apple completely changed how Siri works and almost nobody noticed

In summer 2014, Apple completely changed how Siri works. The secretive Cupertino, California, company adapted Siri's voice recognition to use a cutting-edge artificial-intelligence technique called neural networks and switched it over on July 30, 2014, according to an in-depth feature by Steven Levy of Backchannel. Neural networks is a type of AI inspired by the human brain that has become especially useful thanks to today's powerful computers. Before that, Siri recognized human voices using more rudimentary AI techniques that have been around for decades. It was the biggest change to Siri since it launched in 2011.