Answer 2: Enamel is the hard material that coats your teeth, and is made mostly of a mineral. However, we call other things enamel. There's enamel paint, which is totally different, and there's also porcelain enamel, which is used to make a lot of dishes.
All of this is due to Amazon's unique approach with the Echo. It's not a portable speaker like we've seen from Jambox and Logitech. Instead, it's a rather large, cylindrical device that needs to be plugged into power. It's something you'll likely just leave in a single spot in your home.
The Echo Dot is a great secondary Alexa device for households that already own the larger Amazon Echo. It sounds great, though we wish it had smarter speaker switching. For now, it's mainly something for people addicted to Alexa. Let's make this clear up front: You still can't buy an Echo Dot on its own.