On July 3, Apple (AAPL. O) will serve as an observer on the OpenAI board as part of a landmark agreement announced last month, further strengthening the partnership between the two parties. Phil Schiller, head of Apple's App Store and former head of marketing, will take up the position, according to people familiar with the matter. As a board observer, he will not serve as a full director. In June, Apple announced it would offer ChatGPT on iPhone, iPad and Mac as part of a suite of artificial in...