Photo: Nicolo Campo, Shutterstock Last week, Cristiano Ronaldo became the first person in the world to surpass 500 million social media followers. While he has strong competition in the race for the title of best soccer player, he has no equal in terms of marketing value. The Portuguese player is undoubtedly one of the most outstanding athletes of the 21st century. In January he turned 36, and yet he remains at the top of his game, competing with younger players, both…
