Smart speakers can stream music and podcasts, retrieve information and trivia online, control wireless-enabled lights, place online orders, get the weather forecast and so much more. Before springing for one, however, think about three key features: 1) Does it include audio and listening enhancements? 2) Does it offer flexible AI connections? 3) Does it have controls to prevent AI invasions of privacy? If you’re attached to Siri or have a deep, meaningful relationship with Alexa, you’ll need a speaker that can communicate with your favorite virtual assistant, but of course, you don’t want it to overhear everything.