AI has a lot to catch up to become more humanlike. If the pranks pull on Siri, similar to Bart calling Moe's to ask for people by a funny name, are anything to go by it will be a while before AI truly surpasses humans. A recent example of this was seen recently on the Australian TV show The Project where an iPhone owner told Siri to call them by their name ahahahahahaha [dailymail.co.uk]. The result is quite funny, but on the programming side it shows where we really are in this area of IT.