Continuing the thought of what should I trust to Evernote, there is the counter-thought: what must I commit to memory? Aren’t there some things I need to know, even if I don’t have my trusted system available?

The easy answer: ‘yes.’ The harder question: what are those things?

• My computer’s login password is a good one
• My LastPass password is another key item
• Things like “where I live” come to mind. (Embarrassing? How often I have to look up my own address!)

That’s a rather short list!