Mark Chen, the chief research officer at OpenAI, sent a forceful memo to staff on Saturday, promising to go head-to-head with the social giant in the war for top research talent. This memo, which was sent to OpenAI employees in Slack and obtained by WIRED, came days after Meta CEO Mark Zuckerberg successfully recruited four senior researchers from the company to join Meta’s superintelligence lab.“I feel a visceral feeling right now, as if someone has broken into our home and stolen something,” C...