OpenAI has acquired Roi, an AI-powered personal finance app. In keeping with a recent trend in the AI industry, only the CEO is making the jump. Chief executive and co-founder Sujith Vishwajith announced the acquisition on Friday, and a source familiar with the matter told TechCrunch he is the only one of Roi’s four-person staff to join OpenAI. Terms of the deal were not disclosed. The company will wind down operations and end its service to customers on October 15. The Roi deal marks the latest in a ...