A 'newsletter for your terminal' — pick one skill from your install (or this Top 100) and explain it in detail, with an example invocation.
From Wikipedia
Analytical skill is the ability to deconstruct information into smaller categories in order to draw conclusions. Analytical skill consists of categories that include logical reasoning, critical thinking, communication, research, data analysis and creativity. Analytical skill is taught in contemporary education with the intention of fostering the appropriate practices for future professions. The professions that adopt analytical skill include educational institutions, public institutions, community organisations and industry.