I used it at a convention. My plan was on the front of each page to put my info' about a customer and on the back the customer's info and current needs according to them. In theory this would be perfect. In fact I didn't see the customers in the order planned and there was no way to locate their page. It would be great if the manufacturer added movable alphabetical tabs.
This was bought for my son for school. I had never seen this before. Index cards on spiral is a very good idea. Those stacks of cards that we had to rubberband together thru all those years... They would sometimes fall and they were arkward to store. This product solves all those issues. The card book is great for bullet point notes.
I use these bound cards for daily record keeping for health and exercise. I've used them for years and can trace trends and find records for any day in the past severl years. Doctors love me.
My wife uses this for flashcards. She can keep them organized with a different subject in each little booklet. No more messing with piles of cards or getting subjects confused. This really makes studying easy.