Australia is home to YouTube star Jordan Barclay, the place where he was born, went to school, and built a company worth $50 million by age 23 that produces gaming content for 23 million subscribers.Now, with a world-first social media ban on Australian children younger than 16 set to take effect on December 10, he is thinking of leaving his Melbourne studio and moving abroad."We're going to move overseas because that's where the money is going to be," said Barclay, whose seven YouTube channels