Amazon showcased all kinds of new and upgraded hardware at its fall event this yea r, but the common theme running through almost every reveal was the enhancement and integration of AI, namely Amazon's new Alexa+ assistant. Though AI permeated the whole event, here are five of the most striking AI features discussed that might entice you to buy Amazon's new lineup. New Echos, new Alexa+ (Image credit: Amazon) The centerpiece of Alexa+ and Amazon's AI upgrade is the new Echo Dot Max and Echo