A bonkers theory about the late Princess Diana and Donald Trump’s youngest son Barron is once again doing the rounds. Regardless of who you follow or how well you think you’ve curated your timeline, you can never know for sure exactly what you’re going to see when you log on to Twitter (X). From innocuous memes to insatiable Swifties, the microblogging site plays host to some of the unique groups of people on the internet. And every so often while scrolling down your feed, you’ll see a post that reminds you not to believe everything you read online – such as this frenzied conspiracy theory abo…