How to tell if Amazon's $50 Echo Dot is right for you

Amazon's second-generation Echo Dot voice-controlled home assistant is now available. At $50, it's an inexpensive way to get acquainted with Alexa, the company's virtual assistant that surprised and delighted many people upon its debut in late 2014. The updated device also lets you easily add voice controls to a stereo system.To read this article in full or to leave a comment, please click here