Ziggy: Alexa gets a new name and an updated voice. Here's how to change both.

Amazon has rolled out some new ways to interact with its digital voice assistant, Alexa. The assistant available on Amazon devices such as Fire tablets and Echo speakers will now answer to a new name: Ziggy. Also, users can ask to Alexa to "change your voice" to someone with a more masculine or deeper voice. Although the assistant is always known as Alexa, users can update the wake words they use to get Alexa to answer, including "Amazon," "Echo" and "Computer." The new voice and wake words launched on July 15.