
AI Training Data: What Your Writing, Art, and Code Trained — Without Your Consent
Every time you search for something, every article you published, every comment you left on a forum, every photo you posted — you contributed to the training data for AI systems that now generate billions in revenue. You were not asked. You were not compensated. In most cases, you were not even informed. This is the foundational privacy issue of the AI era: the mass appropriation of human creative and intellectual output at a scale that makes every previous data collection scandal look small. The Scale of the Scrape Large language models require enormous amounts of text to train. The primary sources: Common Crawl The Common Crawl Foundation has been crawling the web since 2008 and makes its archive freely available. As of 2026, it contains over 3.4 billion web pages — essentially a snapshot of most of the internet's text. GPT-2, GPT-3, GPT-4, LLaMA, Gemini, Mistral, and virtually every major language model used Common Crawl data in training. Common Crawl is the backbone of AI training
Continue reading on Dev.to
Opens in a new tab



