Meta builds Arena prediction-market app without cash wagers (opens in new tab)

Meta CEO Mark Zuckerberg has assigned a small team to build a smartphone app similar to prediction-market platforms Polymarket and Kalshi, internally called “Arena,” the New York Times reported. The app would operate separately from Facebook, Instagram, WhatsApp and Messenger, and insiders described it as experimental but a top priority; Meta declined to comment. Arena would initially use a video game-style points system rather than cash wagers, though Meta has not ruled out real-money bettin...