String, you've already registered that you don't like the idea. Fair enough; it isn't for everyone. But if you are going to keep on adding negative comments, I'm going to have to classify you as a nattering nabob of negativity.
OK so you've had an idea you think is good and don't want to hear any criticism or discussion from people that dont...
OK makes sense now.
Do people actually bother getting signatures and stamps?
Very few. When im working about 10% of people want a book signed so i scrawl a signature with a pen. When im fun diving i dont keep a log book, none of my buddies do or anything of the sort.
Some people like badge collecting though i guess.