Digital Voice Assistant

Google Assistant starts rolling out for Marshmallow, Nougat OS smartphones: Here's what you need to qualify

The reason for Google Assistant's staggered rollout is because it is only available in the English language for now.

Apple will not ape the Amazon Echo but Siri will simply learn to do more

Apple does not want a Siri machine, but seek to make Siri more flexible, so that she can take commands from multiple devices.