Sunglasses used to exist simply to block the sun from your eyes — and to make you look cool, like Tom Cruise in Risky Business or Top Gun. But in recent years, those innocent little shades transformed into a tech product, with Meta and other companies creating camera- and audio-enabled smart glasses. And that’s created controversy, because people can be recorded without their consent. Enter DuckDuckGo, the privacy-focused internet search engine and web browser company. The company has partnered with eyewear company Knockaround and is now selling what it calls “anti-surveillance” sunglasses, a simple yet chic style that’s just like…