Globally, most cell phone carriers use GSM technology, a combination of time division and frequency multiplexing. Why do you think this has become the multiplexing technology of choice for most carriers?
Why not code division, for example, which some major US cell phone carriers still use?

I'm taking a class on how to make a movie, and it offers some apps that would be in the process. the thing is, i don't have any of those ha. if you have any tips on some apps i could use, that would be awesome. i don't have an iphone, so don't suggest any apps like imovie. i know that this is a weird question, but it would be super for me. : )

How do you know if the website is secure if you make a purchase

What all vehicles has tesla inc. created over the years