Come sit with me: should theatres let you choose your seatmates?
An airline is road-testing a seat-selection system that allows passengers to pick their neighbours using social networking profiles. Could such a scheme work in the theatre?"Hell is other people." It's hardly a coincidence that Jean-Paul Sartre's famous line originated in a play. If you end up sitting next to an unrepentant young texter or an elderly patron with a leisurely approach to the unwrapping of hard candies,…