For those who RTFA but didn't RTF (original) A, here's the "scanning":<p><i>[A]dministrators first compiled a master list of commonly challenged books, then removed all those challenged for reasons other than sexual content. For those titles within Mason City’s library collections, administrators asked ChatGPT the specific language of Iowa’s new law, “Does [book] contain a description or depiction of a sex act?” “If the answer was yes, the book will be removed from circulation and stored."</i><p>So the text isn't being scanned; instead, they're relying (as we've seen before in other domains) on the temperature-dependent output of a stochastic parrot to make censorship decisions, which brings up procedural due process concerns at a minimum.