Mill Valley boy trains adults, peers on ChatGPT

Kaz Keller, 12, of Mill Valley, is silhouetted while giving a presentation on ChatGPT at the Mill Valley Community Center in Mill Valley on Thursday, May 18, 2023. Keller is a 7th grader at Mill Valley Middle School. (Sherry LaVars/Marin Independent Journal)

Kaz Keller, 12, of Mill Valley, gives a presentation on ChatGPT at the Mill Valley Community Center in Mill Valley on Thursday, May 18, 2023. Keller is a 7th grader at Mill Valley Middle School. (Sherry LaVars/Marin Independent Journal)

Patricia Applegate of Mill Valley gets ChatGPT instruction from Kaz Keller, 12, of Mill Valley,…