Amazon has unveiled Alexa+, a new AI-infused voice assistant with a $19.99 monthly subscription fee.The new voice assistant, Alexa+, is powered by generative AI solutions and will work on 'almost every' Alexa device.Alexa+ can perform various tasks such as ordering concert tickets, making dinner reservations, and organizing handwritten documents.Amazon Prime members will have access to Alexa+ at no additional cost, while non-Prime members will need to pay the subscription fee.