A second brain is just a system, usually digital, for saving and organizing what you know so you don’t have to hold it all in your head: notes, files, and ideas kept somewhere you can actually find and use again. Mike Thomson admits he was too afraid to ask what a ‘second brain’ actually is, and Matthew Sutherland gives him that straightforward, one-line answer.
Jargon can be intimidating. This clip provides a clear, simple definition of a second brain for anyone who has been hesitant to ask.