Alexa allows you to ask questions and make requests using just your voice. For instance, you can ask Alexa a question, such as "What is the weather today in New York?", or tell Alexa to do something, like "Add batteries to my shopping list," or "Play jazz." When you speak to Alexa, a recording of what you asked Alexa is sent to Amazon's cloud so we can process and respond to your request. You access Alexa differently based on the type of device you are using. For "hands-free" devices, like the Amazon Echo, you access Alexa by saying the wake word (Alexa, Echo, Amazon, or Computer). For other devices, like certain Fire tablets, you access Alexa by pressing a button.
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