I used to teach seminary for my
church. I had boxes of organized files, ordered by the books of the Bible and the Book of Mormon. I had saved them for future classes. The other day I dumped them all out into a bin and realized I needn't keep any of it...
Teaching has changed so much! Resources are abundant online, and I no longer need hard copies of anything.
The only things I kept were letters from students.
And pictures like the following:
Just kidding. Corny graphics!