“Ladies and gentlemen: Michael Jackson has left the stadium.” These are the dramatic words spoken just after Michael Jackson, one of the most famous performers and entertainers in history, flew off the stage at the end of his 1992 – 1993 ‘Dangerous’ tour. It was one of the smoothest and most awe-inspiring endings to a stadium performance the world had ever seen – and Jackson did it for concert after concert during that spectacular global tour. However, as was later revealed, the truth is that Michael Jackson didn’t actually fly out of any stadiums via a jetpack – it was a professional stuntman in his place. So, it wasn’t really correct to think that the King of Pop had left the building. But it surely is correct, nearly 30 years later, to know that your data has certainly left the bu...