I'd say this issue gets more severe as the complexity of care delivered increases. The more providers, docs, meds are thrown in the mix the more likely it is that there will be an error. If each of us had realtime records when the doc ordered a medicine we are allergic to their computer system could have a fun little pop up like the Microsoft paperclip guy that said "Hey, looks like you're trying to kill this patient by administering a drug they are allergic to press ok to proceed or X to cancel.