A new report by market analysts Datamonitor says that the 'Coca-colonisation' phenomenon, which saw brands such as Coke and Pepsi spread from the US to the rest of the world, could be repeated, but this time from east to west.Products such as elixirs (soft drinks with nutritional benefits) and iced tea and coffee are hugely popular in Japan, where ready-to-drink (RTD) tea and coffee alone are wort