NEW YORK (AP) — Online juggernaut Amazon Inc. unveiled its next generation of Kindle, Ring and Echo devices, among other gadgets, that are all powered by artificial intelligence and connected to Alexa+, its AI-infused personal assistant, which made its debut in February. Create an account or sign in to continue with your reading experience. Create an account or sign in to continue with your reading experience. Subscribe now to read the latest news in your city and across Canada. Article contentAmazon unveiled four new Echo devices revamped with Alexa+ that serve up personalized insights like whether the user left the front door unlocked after midnight.