New Amazon Alexa releases of Alexa emotions and Alexa speaking styles. These SSML tags help you express emotion which increases overall satisfaction and increases how natural sounding your experiences are. "Early customer feedback indicates that overall satisfaction with the voice experience increased by 30% when Alexa responded with emotions. ...While conducting ‘blind listening’ tests, the news style was perceived to be 31% more natural than Alexa’s standard voice and the music style was perceived to be 84% more natural." Amazon Alexa documentation: https://developer.amazon.com/en-US/blogs/alexa/alexa-skills-kit/2019/11/new-alexa-emotions-and-speaking-styles