Photo: Jeff Chiu, AP Image 1of/13 CaptionClose Image 1 of 13 This March 2, 2016 photo shows an Echo Dot 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. (AP Photo/Jeff Chiu) less This March 2, 2016...