
Google Assistant uses AI, machine learning to become people-friendly
A more personalized, habit-learning version of Google Now
On Tuesday during Google’s Pixel and Home product announcements, the company introduced a new voice-activated version of Google Search called Assistant, featuring a more friendly conversational interface that turns search results into one-sentence answers.

Cortana speaks fluent Android
Hands on: We just tried it
Microsoft promised Cortana was coming to Android, and this is now happening, at least for users in the USA.
Google Now hits iOS
Unlike most Android phones
Google Android search reinvented, with voice
Google I/O 2012: Google Now is Google's Siri