Alexa has been supercharged by AI and Siri and Google Assistant need to take note

Alexa is one of the original and best digital assistants. Launched to support Amazon devices, Alexa is best known for interactions through the Echo speakers and as such has become a cornerstone of the smart home for many. The language used around digital assistants is evolving, with companies now talking more openly about artificial intelligence, rather than softer terms of reference that might once have been used.