Amazon Echo turns into a sleeper hit, offsetting Fire's failure

Online retailer Amazon (AMZN) is embracing its inner tech geek with the introduction of two new technology products, hoping to further capitalize on its surprisingly popular home-based voice-controlled Echo product that has been dubbed, Alexa. In this March 2, 2016 photo, David Limp, Amazon Senior Vice President of Devices, center, speaks behind an Amazon Echo in San Francisco. Amazon.com is introducing two devices, the Amazon Tap and Echo Dot, that are designed to amplify the role that its voice-controlled assistant Alexa plays in people's homes and lives. Corrections & Clarifications: An earlier version incorrectly identified Amazon's Fire Phone. SAN FRANCISCO -- The Amazon Echo is turning out to be a sleeper hit.