One key signal activates an entire behavior sequence; know the trigger, own the response.

Influence: Science and Practice · Robert B. Cialdini

Design platforms for safety, ownership, and respect by default — not as afterthoughts bolted on after harm.

Going Viral Taught Me the Internet Is Broken but Fixable · Deja Foxx

Systematically turn customer complaints and process jams into profit gains

Profit First for Minority Business Enterprises · Susanne Mariga

Focus on the 20% of clients producing 80% of your bottom line

Profit First for Minority Business Enterprises · Susanne Mariga

Classify every expense as Profitable, Replaceable, or Unnecessary

Profit First for Real Estate Investing · David Richter

Focus on the 20% of effort that produces 80% of your results

The 4-Hour Workweek by Tim Ferriss · Tim Ferriss

Turn warm and fuzzy percentages into cold cash to see what fees cost.

The Coffeehouse Investor: How to Build Wealth, Ignore Wall Street and Get On with Your Life · Bill Schultheis