Today, Amazon held its second-annual hardware deluge. Like last year, the company had a lot to unveil. It revealed a slew of Echo devices, Alexa-powered wearables, Ring's first indoor security cam and a smart oven. The company also shared Alexa updates -- like the voice assistant's ability to impersonate celebrities. Read our full story on Engadget: Get More Engadget: • Like us on Facebook: • Follow us on Twitter: • Follow us on Instagram: • Read more: