E-cigarettes latest: users on the up but rules tighten

Only one company was making e-cigarettes in 2005, but today there are 466 brands in a market estimated to be worth £1.8bn (€2.3bn; $3bn).1 Many early, small scale companies making e-cigarettes have been swallowed up by tobacco manufacturers. In January 2014 there were 7764 unique flavours on the ...