This is gonna be the thread where we talk about stuff

Am I missing something

"Yes."

I would be surprised if overhead projectors are still being used in anything but the most destitute of schools.

so, most public schools

i doubt the high school i went to had the funding for more than a handful of the new projectors to be used for specific classes/class projects, and the rest continue to rely on older ones because there's really no reason to get a new machine when the math stays the same, apparently