Amazon Echo (shortened to Echo and known also as “Alexa”) is a brand of smart speakers created by Amazon. Echo devices connect to the voice-controlled intelligent personal assistant service Alexa, which responds to the names “Alexa”, “Echo”, or “Computer”. The features of the device include: voice interaction, music playback, making to-do lists, setting alarms, streaming podcasts, and playing audiobooks, in addition to providing weather, traffic and other real-time information. It can also control several smart devices, acting as a home automation hub.