On November 21, several significant stories graced the New York Times business pages. One of these stories involved Microsoft and the upheaval at OpenAI, a small but influential artificial intelligence start-up. This led to the development of the ChatGPT chatbot and caused Microsoft’s shares to reach a new high. In another story, X, the social media service formerly known as Twitter, sued Media Matters in federal court after the organization published research showing that ads on X appeared next to antisemitic content.

Another major event on this day was Epic Games’ CEO Tim Sweeney testifying in a San Francisco federal courthouse as part of the company’s ongoing legal battle against Google. Furthermore, over 700 employees at OpenAI signed a letter indicating their intention to leave the company if Sam Altman is not reinstated as CEO.

In addition to these significant events, it was also reported that Microsoft’s stock price had surged after news broke out about the development of ChatGPT chatbot at OpenAI. Meanwhile, Twitter’s parent company X filed a lawsuit against Media Matters for publishing research that showed ads on its platform were appearing next to antisemitic content. Lastly, Epic Games’ CEO Sweeney took center stage in court as his company continues its legal battle against Google.