
"The viral post about a debate between Elon Musk and Keanu Reeves, which garnered 25,000 likes and nearly 5,000 reposts, was entirely generated by AI, highlighting the growing prevalence of AI content on platforms like Substack."
"According to reports, over 50% of all articles online were AI-generated last fall, with predictions suggesting that this could rise to 90% by the end of the year, raising concerns among human writers."
"An analysis using Pangram's API revealed that two-thirds of the top 25 Substack Bestsellers did not contain any AI-generated content, indicating that a significant portion of popular content remains human-written."
"In the Technology category, 28% of the content in top newsletters was found to be fully or partially AI-generated, reflecting a trend where tech writers are increasingly utilizing AI tools to draft their stories."
In March 2025, a Substack post about a non-existent debate between Elon Musk and Keanu Reeves went viral, revealing the prevalence of AI-generated content. Reports indicate that over 50% of online articles were AI-generated, with predictions of that number rising to 90%. A tool called Pangram can detect AI-generated text, and an analysis of the top 25 Substack Bestsellers showed that two-thirds of them contained no AI content. However, the Technology category had the highest percentage of AI-generated writing at 28%.
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