Amazon is finally launching the long-awaited generative AI version of Alexa that, if all goes well, will take away much of the friction that comes with talking to a speaker to control your smart home or getting info on the fly.Some of the new abilities coming to Alexa Plus include doing things for you — you’ll be able to ask it to order groceries for you or send event invites to your friends. Amazon says it will also be able to memorize personal details like your diet and movie preferences. Alex...