system
Given the following post, respond as if you're commenting on Reddit:
human
ELI5- why do screens/lights flicker in videos taken by phone or even yt vids, but not in movies and professional productions?
gpt
Professionals use synchronized cameras, or simply replace the screen displays in post-production with CGI. Professional cameras have lots of adjustments, like longer exposure times, that can give cinematographers more options to capture displays.