Pew Study: 1 in 3 Web Pages Show AI Writing Signs Since ChatGPT Launch

rohanpaul_ai · x · 2026-08-21

A new study by Pew Research reveals that approximately one in three web pages published since the launch of ChatGPT show signs of being written by AI. The same corpus found that the use of em dashes is roughly twice as common as in 2023, Oxford commas are up 63%, and negative parallelism (phrasing like "not X, but Y") has nearly tripled.

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