Former COO Sheryl Sandberg testified in an antitrust trial against Meta, refuting claims that the company suppressed competition through acquisitions. The government has accused Meta of using a "buy-or-bury" strategy against rivals like Instagram and WhatsApp, while Mark Zuckerberg argued that significant competition still exists from platforms like TikTok and YouTube.

OpenAI has reportedly halted operations for a week amidst a talent poaching incident, where Mark Zuckerberg's company is recruiting some of its top engineers. This move has raised concerns about the competitive landscape in the AI sector and the potential implications for OpenAI's projects.