Accueil › 🇺🇸 États-Unis › Culture Meet the three-time world Sudoku champ behind LinkedIn's daily puzzles 📅 30/03/2026 09:22 📰 businessinsider_us 👁️ 10 lectures 🌍 États-Unis 📂 Culture LinkedIn's puzzlemaster crafts daily games designed to keep users coming back — and competing with their connections.