But if paper were invented today, it would be hailed as a world-changing development. Well, of course, there's plenty not to like about paper, and the list of ways that paper falls short is a good list to bear in mind when designing any user interface or data-handling system.
Paper fails on ease of search.
Yes, I could thumb-index my little black book and write appointments in one place, names and addresses in another, and so on. When people show me an electronic organizer that requires me to get organized, instead of organizing things for me, I'm thoroughly underwhelmed. That's something that paper doesn't do. Actioneer makes me think about whether electronic PDAs are finally ready for me. Unify, unify Paper also fails on maintaining an audit trail.