The basic idea is simple, and obvious in hindsight. Now, Amazon has a new feature called "Follow-up Mode" that's created to make exchanges like that feel a lot more natural. With Follow-up Mode, Alexa will listen for five seconds after she's done responding to you to see if you have anything else to ask. If you don't, she'll just go back to sleep automatically without saying anything else. The company suggested in an email that the laughs had occurred "in rare circumstances" because the speaker was picking up a "false positive" for the command "Alexa, laugh".
There were even claims that when a user told Alexa to turn off the lights, the AI assistant "refused" to and laughed while doing the opposite. This means that the user will have to clearly issue the command because if they don't, Alexa probably won't separate it from the background noise.
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Amazon's digital assistant, Alexa, who, thanks to her artificial intelligence, answers questions and receives orders from users, shows unusual symptoms - which refer to parapsychological thrillers - as she suddenly starts without a reason to laugh in a frightening way it can freeze the blood. Android and iOS have extra steps, forcing you to manually open the Alexa app before you can talk to the virtual assistant, but the basics are the same. Select your device then toggle the Follow-Up Mode switch.
Now available on all hands-free Alexa-enabled devices set to US English, this feature lets you make follow-up requests without repeating the wake word. Obviously you can't make a video call to a regular Echo, but that should be obvious seeing as how it doesn't have a camera.