Getting people to sign the yearbook is a very nice addition to the yearbook, you can look back to see how friendships have developed over the years.
Yearbooks seems an integral part of school life in America, I see they often come up on TV and movies when people want to find the background of someone 🙃
Yeah, I'm not sure how much dirt you would really dig up on someone via their yearbook. Most of them are pretty mundane. I'm not really even friends still with anyone I went to school with.