Note: Your Flash Briefing settings apply to all Alexa devices registered to your Amazon account, and all users in your home get access to the same Flash Briefing content. However, if you or anyone in your home has a voice profile, Flash Briefing automatically skips stories and news items you've already heard. To learn more, go to About Alexa Voice Profiles.
Audio quality may be in the ear of the beholder. The Wirecutter thought the Amazon Echo just edged out Google Home; PCMag, however, preferred the tones of Google’s smart home speaker. Basically: Both are comparable in terms of quality. However, if you stream music on Apple Music, Soundcloud, or Google Play, you’ll want to go with a Google Home over an Echo.
On November 30, 2016 Amazon announced that they will make the speech recognition and natural language processing technology behind Alexa available for developers under the name of Amazon Lex. This new service would allow developers to create their own chatbots that can interact in a conversational manner, similar to Alexa. Along with the connection to various Amazon services, the initial version will provide connectivity to Facebook Messenger, with Slack and Twilio integration to follow.[67][68]

A New Hampshire judge ruled in November 2018 that authorities could examine recordings from an Amazon Echo device recovered from the home of murder victim Christine Sullivan for use as evidence against defendant Timothy Verrill. Investigators believe that the device, which belonged to the victim's boyfriend, could have captured audio of the murder and its aftermath.[82]

By default, Echo devices use “Alexa” as their wake word. While the device is constantly listening, it only starts tracking and analyzing what you say next after it hears “Alexa.” It then pulls up the relevant results. However, if, say, someone in your house is already named Alexa, you can change the wake word to something else: Amazon, Echo, or Computer.
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