Cursor Goes Parallel, OpenAI Adds Ads, and Perplexity Launches a Computer

Three moves worth watching today: Cursor shipped parallel agents and PR review that change how AI coding tools handle complex work; OpenAI started testing ads in ChatGPT, which is either a smart free-tier play or a trust problem in the making; and Perplexity announced "Perplexity Computer" — a general-purpose AI digital worker that sounds ambitious enough to deserve a closer look.