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To make sure they would be received in New York before Wednesdays broadcast, entry cards sent by the company to East Coast addresses contained regular postage while cards sent to the Midwest carried first-class postage and those sent to the Pacific Coast had air mail stamps affixed

If the vaping sector has experienced a rapid growth, we need to defend it and carry on organising it to ensure its independence and legitimacy

I've made a big contribution to society," said Hon Lik, 57, in a cramped office in Beijing, sending tobacco-scented smoke into the air as he puffed on a battery-powered pipe."But I don't live like a rich person, because of all the troubles our company has faced."Hon, a soft-spoken man from northwestern China, is the co-founder of Ruyan, a company which has produced electronic cigarettes and cigars -- starting at 68 yuan ($11, eight euros) -- for more than a decade.His patents are set to be sold in a $75-million deal with Britain's Imperial Tobacco, but Hon says he will see little of the windfall, and that years of copyright disputes and negative publicity have eroded his profits.His battles highlight rising competition in a market that's skyrocketed to $2 billion in global sales, according to research firm Euromonitor International.E-cigarettes, as the devices are commonly known, heat a liquid nicotine solution to turn it into vapour.Manufacturers say a lack of tar and other ingredients, as well as an absence of smoke, makes the devices safer than conventional cigarettes

Tobacco and cancer of the digestive system Smoking tobacco is a major risk factor for developing mouth, lip, and larynx cancer, as well as cancer of the esophagus, stomach, pancreas, liver, colon, and rectum