Alexa, what's the weather going to be like today? What time is dinner on Thursday? Can you order me a pizza? Ask and you shall receive. The Amazon Echo personal assistant caters to your needs by way of voice commands. Alexa, what else can the Echo do? Well, it also lets you catch up on the news, tune into the radio, and get sports scores using a cloud-based voice service that keeps learning and adding new features all the time.