Computer Fundamentals
How YouTube & Netflix Stream
How does video play instantly without downloading? Tiny chunks, smart guessing, and computers near you that already have the file.
You click PLAY on a movie — a 2-hour movie, gigabytes of video. It starts playing in ONE second. But there's no way the whole file downloaded that fast. So how did the video start?
Concepts you just met
StreamingBufferingCDNCompression