Series, an AI-powered social networking app on iMessage, has raised $5.1 million (₹48 crore) in a pre-seed round. Founded by Yale University students Nathaneo Johnson and Sean Hargrow, the app lets users text an AI that matches them with like-minded people via swipeable "share" cards. Venmo Co-founder Iqram Magdon-Ismail and Reddit CEO Steve Huffman are among the investors.