Omar Marques | Sopa Images | Lightrocket | Getty ImagesMeta's hefty investment in artificial intelligence includes development of an AI system designed to power Facebook's entire video recommendation engine across all its platforms, a company executive said Wednesday.Tom Alison, the head of Facebook, said part of Meta's "technology roadmap that goes to 2026" involves developing an AI recommendation model that can power both the company's TikTok-like Reels short video service and more traditional...