Is it dangerous to use a password book?

Welcome to Your Password Sucks, the Daily Dot newsletter that answers all your internet security-related questions.

This week, Nelson C. asks: “I keep a password book that goes with me everywhere. I use so many different ones. Is that dangerous? No account numbers or verification codes, just passwords. I'm old as dirt. I can't remember them all and don't want to use the same one for everything.”

Well, the answer may surprise you.

Many would assume that keeping your passwords written down is a bad idea...