The Barcelona ComplexBy: Simon Kuper With rare and unrivaled access, bestselling coauthor of Soccernomics and longtime Financial Times journalist Simon Kuper tells the story of how FC Barcelona became the most successful club in the worldand how that era is now ending FC Barcelona is not just the worlds highest grossing sports club, it is simply one of the most influential organizations on the planet. At last count, it had approximately 214 million social media followers,