THE KINGS OF LIMBS Editor Katie Watkins Now that the music on In Rainbows has had four years to outshine its launch mechanism, it's easy to forget that the album originally came bundled with an onest attempt to solve a business problem. The pay-what you-think-is-fair system wasn't just Radiohead being magnanimous, it was using their popularity and their newly won independence to ask what might have been the single most important question facing a shaken music industry: What is an album in the download era actually worth to fans? Announced on Monday of last week and then chucked out to rabid fans like flank steak a day ahead of schedule, the band's eighth album dispenses with the honesty-box pricing model but still finds them using their influence to interrogate the terms around how we consume and relate to music. Containing a slight eight tracks across 37 minutes, The King of Limbs is Radiohead's first album to clock in under the 40-minute mark, falling in...