Move over, Perplexity. There’s a new AI-powered search engine in town — and its creators think it can best the many, many other attempts out there. Called Genspark, the platform taps generative AI to write custom summaries in response to search queries. Type in a search like, “What’s the best baby formula for newborns?” and Genspark will generate a Sparkpage: a single-page overview pieced together from websites and content around the web. It’s an experience similar (conspicuously so) to Arc brow...