We’ve come a long way with the advancement of real-time communications. But many of the protocols designed today steal inspiration from tried-and-true communication methods that have been around for years. Imagine this:
It’s your 10th birthday, and you’ve just received exactly what you were hoping for: a brand new set of walkie-talkies just like your friend from down the street has! You can’t wait to see if you’ll be able to talk to each other. You open the packaging, put in some AA batteries (you found some fresh ones a few days ago and stashed them away for just this moment), and power on one of the radios.
“Ch 1,” reads the small LCD screen. Now what?