We know that he'll be appearing on this year's show – but how? In the flesh? Via Skype? Or by means of some supernatural agency? We look at the options … If last year's series of The X Factor proved anything, it's that the show is nothing without Simon Cowell. As a producer, Cowell has a keener eye for detail than anyone else. As a judge, Cowell's opinion carries more weight than anyone else's ...