500 ready-to-use AI prompts organized into 20 practical categories — content, social captions, TikTok, Instagram, LinkedIn, Facebook, video scripts, reels, product descriptions, ads, email, WhatsApp marketing, customer service, lead gen, sales, branding, market research, SEO, blog writing & content calendars. Every prompt is beginner-friendly with placeholders and usage instructions, plus a beginner’s guide to getting better AI results.