Technical Review on- Amazon Alexa Alexa, Amazon's virtual personal assistant, has been around for about two years, and it keeps getting smarter. It lives inside the company's Echo smart speaker among other devices, and offers users the ability to dictate commands to the assistant to control products throughout their home, listen to music, and more. Alexa was popularized by the Amazon Echo, a device that acts both as a speaker and a smart-home hub, but also works on many other devices. Alexa Skills extend the virtual assistant's appeal. The Skills are offered from both Amazon and third-party developers, and act as virtual apps to expand Alexa's features. Skills can span many industries, including sports, entertainment, news and social media. There's no limit to the number of Skills users can add, but it can be challenging to keep track of their features and remember to use ones you added several months ago. Luckily, the Alexa companion app lis...