and looking at the outlook for the growth of Soda Stream. How many low income households will buy and then regularly use and buy refill flavorings & CO2 cartridges? How many high income / highly educated households will WANT to buy the machine and regularly use the flavorings and cartridges. Given the awareness toward healthy, low calorie, low sugar just what effect does that have on the appeal of soda stream compared to "flat water". In. both bottles and in packaged mixes, flavorings and brewing cups?