It`s a software designed to fulfil a certain task, as searching on the internet for your demand
Siri opened the vogue, each manufacturer attempted to create a personal assitant able to satisfy the customers` needs, based on a fast voice recognition
Samsung developed Samsung S-Voice, Googe bet on Google Now or Blackberry created Voice Control
Voice recognition apps are quite useful, but sometimes they render hallucinating results, so you have to check the results with an old search on the internet
