The First-Impression Algorithm: How People Decide Who You Are in 7 Seconds is a groundbreaking exploration of the hidden psychology and neuroscience behind snap judgments. Blending thin-slice psychology, behavioral design, and personal image strategy, this book reveals how our brains unconsciously decode identity in mere moments - and how you can hack that process to your advantage. Through vivid storytelling, scientific insights, and practical techniques, it uncovers the unconscious "judgment code" that governs human interaction. You'll learn why appearance, voice, micro-expressions, and environment matter more than you think, and how to design your signals to project confidence, warmth, and credibility. Far from being manipulative, this book emphasizes authenticity: aligning your inner state with your outer signals so that your first impression reflects your true self. Whether you're pitching an idea, meeting someone new, or building your digital presence, the seven-second rule is the invisible script shaping your success. This is not just a book about psychology - it's a manual for influence in the modern world. By mastering the first-impression algorithm, you gain the power to connect, persuade, and lead with clarity in every encounter.