With the update to Windows Phone 8.1, Microsoft has decided to compete with Siri with the likes of Cortana. Cortana is the voice of Halo and brings a personall assistant along with news feeds and other features to Windows Phone. In this video I do a quick comparison between Siri on the iPhone 5s and Cortana on the Nokia Lumia Icon.
Nokia Lumia Icon – http://amzn.to/1fXGeh6
iPhone 5s: http://amzn.to/1ih04E8