How did a substance that falls from the air, springs from the earth and comes out of your tap become a hyperactive multibillion-dollar business? by Sophie Elmhirst

Right now, the global bottled water industry is in one of those strange and energetic boom phases where every week, it seems, a new product finds its way on to the shelves. Not just another bland still or sparkling, but some entirely new definition of the element. It is a case of capitalism at its most hyperactive and brazenly inventive: take a freely available substance, dress it up in countless different costumes and then sell it as something new and capable of transforming body, mind, soul. Water is no longer simply water – it has become a commercial blank slate, a word on to which any possible ingredient or fantastical, life-enhancing promise can be attached.”