The Mandalorian (Disney/Lucasfilm) popularized — a massive LED screen that displays real-time CGI backgrounds. This production technique allows actors to see their environments, reducing post-production time. Studios like Industrial Light & Magic (ILM) are now hired by every major studio.
For nearly a century, the American film industry has been dominated by a handful of legacy studios. While the ownership has shifted (from oil tycoons to tech conglomerates), these "popular entertainment studios" remain the bedrock of global box office revenue.