Amazon Echo

Amazon Echo is a smart speaker from Amazon.com. The product can play music and answers questions. It is a nine-inches-tall, cylinder-shaped device. It responds to the name "Alexa," though this can be changed to "Amazon" or "Echo."
Amazon Echo was released on November 6, 2014 through Amazon.com. Many critics gave it positive reviews. Gizmodo believed that Amazon Echo is "the most innovative device Amazon made in years." Many critics believe Amazon Echo is similar to Apple Inc.'s Siri, as well as Alphabet Inc.'s Google Home. Amazon Echo is the second device released by Amazon.com in 2014, after the Amazon Fire TV.