Sources: Apple made generative AI a tent-pole project after Craig Federighi and John Giannandrea spent weeks testing ChatGPT and found Siri to be antiquated (New York Times)
https://www.nytimes.com/2024/05/10/business/apple-siri-ai-chatgpt.html?unlocked_article_code=1.q00.IV5N.67nNsQJiprKV&smid=url-share
http://www.techmeme.com/240510/p12#a240510p12