To revist this article, visit My Profile, then View saved stories . uploaded photos or art, written a review, “liked” content, answered a question on Reddit, contributed to open source code, or done any number of other activities online, youve done free work for tech companies, because downloading all this content from the web is how their AI systems learn about the world. Tech companies know this, but they mask your contributions to their products with technical terms like “training data,”...

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