Amazon Echo Review: Talking Helper Alexa Is No Match for Siri

I already yell at my computers. I don’t want to yell at them just to make them work.

Alexa is Amazon.com ’s answer to Apple’s Siri, Google Now and Microsoft ’s Cortana, which all come standard with different smartphones. She’s the latest sign that big tech firms believe our future involves talking to computers that can talk back. §