[Former Discord Product Head Peter Sellis Joins SpaceX to Lead Product Team] Peter Sellis, former Discord product head and Snapchat's first product manager, has announced he has joined Elon Musk's social media platform X to lead its product team. Sellis stated that he strongly agrees with SpaceX's mission to extend human consciousness into interstellar space and that it's time to "make shitposting multi-planetary." Previously, it was reported that Nikita Bier, the former X product head, stepped down from her product leadership role in August to become an advisor. During her tenure, X saw significant growth in both new users and user engagement.