• Your second brain is a trusted place outside your head to preserve and protect your most valuable knowledge.
• Digital notes apps are the centrepiece of your Second Brain.
• You don't choose the right app - a notes app chooses you.
• Try to force yourself to use a piece of software that isn't compatible with your temperament, style, and personality.

There are four common styles of notetaking:

• The Architect: Building Systems. Architects want to fit all their information into an all-encompassing "ultimate system" with a clear hierarchy.
• The Gardener: Cultivating. Think in a bottom-up way,...