The Amazon echo is a Cool device made by Amazon
Really?  What can it do?
You can have it play music, get the news, check the weather, make lists, play audio books, and much more
Wow, that sounds awesome!  How much do they cost?
There are a few different models and they can range in price, but most are around $100
That's not bad.  They work on wifi, right?  I'd have to get a router?
Amazon Echo
Amazon Echo (shortened to Echo and known colloquially as "Alexa") is a brand of smart speakers developed by Amazon. Echo devices connect to the voice-controlled intelligent personal assistant service "Alexa", which responds to the names "Alexa", "Echo", or "Computer". Users may change this "wake word" to "Amazon", "Echo" or "Computer". The features of the device include: voice interaction, music playback, making to-do lists
Amazon Alexa
Amazon Alexa, known simply as Alexa, is a virtual assistant developed by Amazon, first used in the Amazon Echo and the Amazon Echo Dot smart speakers developed by Amazon Lab126. It is capable of voice interaction, music playback, making to-do lists, setting alarms, streaming podcasts, playing audiobooks, and providing weather, traffic, sports, and other real-time information, such as news. Alexa can also control several smart devices using itself as a home automation system. Users are able to