Voice-controlled digital assistants such as Apple’s Siri, Google Assistant, Amazon’s Alexa and Microsoft’s Cortana are good at numerous things. They can help people play music, set up calendar appointments and check the weather.
"‘Cortana, Open Alexa,’ Amazon Says. And Microsoft Agrees." is from the August 30, 2017 Technology section of The New York Times. It was written by Nick Wingfield and narrated by Kristi Burns.