Now, just because Alexa understands what I’m saying better doesn’t mean she always has a response to my questions, though. Both AI’s gave me the current weather report, Alexa said she didn’t have information for the Sharks query, and Alexa also didn’t have a response for the movie question. Siri, however, gave me information about the Sharks’ next game (October 4, against the Flyers, if you’re curious), and for the movie question, while she didn’t hear it quite right, she still got the gist: She suggested seeing War for the Planet of the Apes on Friday, along with movie times at a handful of nearby theaters. Is Siri smarter? She may know a wee bit more than Alexa, but largely, their question-and-answer base is comparable.
Amazon allows device manufacturers to integrate Alexa voice capabilities into their own connected products by using the Alexa Voice Service (AVS), a cloud-based service that provides APIs to interface with Alexa. Products built using AVS have access to Alexa's growing list of capabilities including all of the Alexa Skills. AVS provides cloud-based automatic speech recognition (ASR) and natural language understanding (NLU). There are no fees for companies looking to integrate Alexa into their products by using AVS.[60]

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.
As of April 2019, Amazon had over 90,000 functions ("skills") available for users to download on their Alexa-enabled devices,[30] a massive increase from only 1,000 functions in June 2016.[31] Microsoft's AI Cortana became available to use on Alexa enabled devices as of August 2018.[32] In 2018, Amazon rolled out a new "Brief Mode," wherein Alexa would begin responding with a beep sound rather than saying, "Okay," to confirm receipt of a command.[33] On December 20, 2018, Amazon announced a new integration with the Wolfram Alpha answer engine,[34] which provides enhanced accuracy for users asking questions of Alexa related to math, science, astronomy, engineering, geography, history, and more.
Take-out food can be ordered using Alexa; as of May 2017 food ordering using Alexa is supported by Domino's Pizza, Grubhub, Pizza Hut, Seamless, and Wingstop.[41] Also, users of Alexa in the UK can order meals via Just Eat.[42] In early 2017, Starbucks announced a private beta for placing pick-up orders using Alexa.[43] In addition, users can order meals using Amazon Prime Now via Alexa in 20 major US cities.[44] With the introduction of Amazon Key in November 2017, Alexa also works together with the smart lock and the Alexa Cloud Cam included in the service to allow Amazon couriers to unlock customers' front doors and deliver packages inside.[45]
One of my favorite features of Amazon’s voice controlled speakers, the Echo and Echo Dot, is the Alexa News Flash skill. Out of the box, it plays you a quick news briefing from standard news sources. What you probably didn’t know however was that you can customize your Alexa Flash Briefing with literally thousands of skills, tailored perfectly to the news you want. Here’s how it all works and how to set it up.
The 2nd generation Echo has a 2.5” downward-firing woofer and 0.6” tweeter powered by Dolby to deliver crisp vocals and dynamic bass throughout the room. You can play music from Amazon Music, Apple Music, Spotify, Pandora, SiriusXM, and more. With Amazon Music, you can search by lyrics, time-period, or let Alexa pick the music for you. Set a music alarm to wake up to your favorite song or playlist. You can also listen to audiobooks from Audible, podcasts, radio stations, news briefs, and more.
From there, you can ask Alexa all sorts of questions: You can ask her to play music, ask about the weather, or ask her to convert measurements for you. You can also use her to shop for products on Amazon or to control other smart home devices in your home. A number of third-party apps and services work with Alexa, so you can do things like order a Domino’s pizza, or ask for the latest Washington Post headlines. Amazon calls each of these different capabilities “skills.” One of her newest skills is the ability to work as an intercom system in your home.

There is concern that conversations Alexa records between people could be used by Amazon for marketing purposes[81]. Privacy experts have expressed real concern about how marketing is getting involved in every stage of people’s lives without users noticing. This has necessitated the creation of regulations that can protect users' private information from technology companies.
Alexa can perform a number of pre-set functions out-of-the-box such as set timers, share the current weather, create lists, access Wikipedia articles, and many more things.[24] Users say a designated "wake word" (the default is simply "Alexa") to alert an Alexa-enabled device of an ensuing function command. Alexa listens for the command and performs the appropriate function, or skill, to answer a question or command. Alexa's question answering ability is partly powered by the Wolfram Language.[25] When questions are asked, Alexa converts sound waves into text which allows it to gather information from various sources. Behind the scenes, the data gathered is then parsed by Wolfram's technology to generate suitable and accurate answers.[26] Alexa-supported devices can stream music from the owner's Amazon Music accounts and have built-in support for Pandora and Spotify accounts.[27] Alexa can play music from streaming services such as Apple Music and Google Play Music from a phone or tablet.
In September, 2019 Amazon launched many new devices achieving many records while competing with the world's smart home industry. The new Echo Studio became the first smart speaker with 360 sound and Dolby sound. Other new devices included an Echo dot with a clock behind the fabric, a new third-generation Amazon Echo, Echo Show 8, a plug-in Echo device, Echo Flex, Alexa built-in wireless earphones, Echo buds, Alexa built-in spectacles, Echo frames, an Alexa built-in Ring, and Echo Loop.
Alexa is the name of Amazon’s voice-based smart home assistant. While some folks will use the names interchangeably, Alexa is actually the name of just the AI—not the product. You can use Alexa in Amazon’s Echo products. These now include the original Amazon Echo, the smaller Echo Dot, the Amazon Tap, the Echo Look, and the newest addition to the lineup, the Echo Show.
There are concerns about the access Amazon has to private conversations in the home and other non-verbal indications that can identify who is present in the home with non-stop audio pick-up from Alexa-enabled devices.[69][70] Amazon responds to these concerns by stating that the devices only stream recordings from the user's home when the 'wake word' activates the device.
The flash briefing skill submission process provides the steps to submit descriptive information about your skill and configure one or more feeds for each skill. You can then test your skill in your Alexa-enabled device and provide additional information about how you handle customer data and privacy. Once you've provided this information, you can submit your flash briefing skill for certification and use by customers.
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