Content creator Jimmy Donaldson, popularly known as MrBeast, has been experimenting with posting his old videos on Elon Musk’s X, formerly Twitter. The tech billionaire has now given his stamp of approval to the latest video shared by MrBeast on the platform. What Happened: Earlier this week, MrBeast shared a video titled “Survive 100 Days Trapped, Win $500,000,” on X. The video features two strangers who were offered $500,000 if they could endure 100 days in a room together. It was originally posted on YouTube five months ago, and to date has more than 234 million views on Google’s platform. …