TechCrunch: Comparing Alexa, Google Assistant, Cortana and Siri smart speakers

TechCrunch: Comparing Alexa, Google Assistant, Cortana and Siri smart speakers. “The smart home assistant race has been building to a fever pitch over the course of the last couple of years. Things really came to head this past two weeks, when Amazon, Google and Sonos all held big events highlighting their latest smart speaker plays, making the already busy field a heck of a lot more crowded.”