Amazon introduced the follow-up to it's Amazon Echo on Wednesday, unveiling to the world the 'Echo Dot', a $49.99 hands-free voice-controlled device featuring Amazon's Alexa personal assistant technology. Able to connect to other speakers or headphones via bluetooth, Echo Dot allows a user to use voice commands to do everything from play music, control smart home devices, look up things on the internet, read the news, set alarms and more. Built-in support for Prime Music, Spotify, Pandora, iHeartRadio and TuneIn offer a variety of music sources. It's compatible with connected devices from Nest, WeMo, Philips Hue, Samsung SmartThings, Ecobee and others so you can turn on and off your smart fans, switches, thermostats, garage doors, sprinklers etc. Amazon is offering a 6 pack of Echo Dots where you buy 5 and get one free. The company is encouraging homeowners to equip every room with one in its attempt to make its Alexa personal assistant ubiquitous. The Echo Dot comes in two colors, black or white and will start shipping in October. You can order one now through the link below at Amazon.