This document is a markdown template for taking linked notes about a source (an e-book, email, PDF, web page, video, screencast, podcast, etc.) See P3: Assess Analytically, P5: Delve Deeply and P6: Practice Productively in [_Cognitive Productivity with macOS: 7 Principles for Getting Smarter with Knowledge_](https://leanpub.com/cognitive-productivity-macos).