response: Well, I know that the echo devices are a development of Amazon Lab126
original_response: I'm not sure on the echo but I use the Amazon Alexa which is similar they both are like personal assistant devices.
history: I'm considering buying the Amazon Echo, but don't know much about it.
knowledge: Alexa is an intelligent personal assistant developed by Amazon, first used in the Amazon Echo and the Amazon Echo Dot devices developed by Amazon Lab126.