How Does a Text Message Travel? | How It All Runs
Every day, hundreds of billions of messages make this trip. Yours takes about half a second — and it visits more machines than you'd guess.
A seal, a radio leap, a tireless post office, a tap on the shoulder, and two little checkmarks. That's the half-second journey behind every message you send.
Chapters:
0:00 Intro
0:43 Your Phone
1:10 The Relay
1:52 Your Friend
2:59 The Whole Journey
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