A single post can outlive regret. A tiny design choice can tilt a million decisions. In a world where memory is default and amplification routine, our actions travel farther than our intentions. This book offers a grounded way to see cause and effect online. It translates big ideas into plain practice: map loops, add prudent friction, and align values with defaults. You will learn how algorithmic accountability and behaviour design shape what spreads, why digital footprint becomes biography, and how reputation economics rewards or punishes us over time. It is a clear, non-mystical take on digital karma for people who build products, moderate communities, lead teams, or simply want to act with care. Expect practical tools: a personal and team code, templates for apology and repair, and exercises in mindfulness online that improve online moral responsibility without preaching. If you want a concise cyber ethics guide that respects complexity yet stays usable on Monday morning, this is it. Read it, apply it, and help your corner of the internet work a little more like you intended.