Alastair Grant/AP; Rebecca Zisser/BIThis post originally appeared in the Insider Today newsletter.You can sign up for Business Insider's daily newsletter here.Happy Fed rate-cut day! What do you get when you mix Mormons, swinging, and TikTok? A reality TV show that's been tough for their families but great for business.In today's big story, we're looking at the most powerful people at the most powerful startup.What's on deck:Markets: Not sure where to invest?