Limp, who is leaving the company before year's end, showed how one could ask a series of questions without repeatedly using the "Alexa" wake word, a new feature for at least some Alexa devices, like the refreshed Echo Show 8.
At the event, Amazon also introduced refreshed versions of children's Fire tablets, a soundbar for televisions and new search capabilities on the FireTV service to find free content.
Among the new devices Amazon announced is the $180 Echo Hub wall-mounted touchscreen for controlling gadgets throughout the home. Amazon also showed off a new feature for its Alexa app that can map out internet-connected devices throughout a user's home for easier control.
Additional announcements included updates to the Echo Frames eyeglasses, with Alexa embedded, and refreshed versions of its Blink outdoor security cameras and Eero Wi-Fi extenders.