[WASHINGTON] The World Health Organization took aim Tuesday at e-cigarettes, the increasingly popular, ostensibly safer tobacco substitute which WHO nevertheless says poses a serious threat to young people. The global market for e-cigarettes is still dwarfed by traditional cigarettes, but has grown rapidly to about US$3 billion. It is very fragmented, with more than 400 brands of flavors and "delivery systems," many using identical components from China. But the world's largest cigarette companies are moving in, developing and buying products, aiming to stake out market positions as they see traditional cigarette smoking slowly on the decline. Imperial Tobacco Group owns blu, said to be t... [Read more]