Since the first cellphone came out in the '80s, how have they changed?

"We used to tell the story then that someday when you're born you would be assigned a phone number. If you didn't answer the phone, you would die."

That's what Martin Cooper, the inventor of the cellphone, told CNN in a 2023 interview about the anniversary of the revolutionary communication device. In the 1970s (and well into the '90s), cellphones were clunky devices that couldn't even fit in a pocket. Now, they're a part of everyday life.

A 2023 Pew Research Center study reports that 97% of Americans own a cellphone of some kind. Not only do they have a portable device capable of making and t...