Meta Builds ‘Arena’ Prediction Market App to Rival PolymarketadminTháng 6 24, 2026Arena, Gamification, Meta, Prediction Markets, Technology Meta is developing a prediction markets app codenamed ‘Arena.’ Directed by CEO Mark Zuckerberg, the points-based platform aims to rival Polymarket and Kalshi, leveraging Facebook and Instagram’s user base for massive distribution. Source Hoc Toan AI