4. E-cigarettes first started becoming popular in 2012. They work by heating a nicotine fluid to mimic a real cigarette. Their invention is usually credited to Chinese pharmacist Hon Lik, who reportedly created it after he dreamed that he was drowning in a cloud of vapor. His father had died of lung cancer caused by cigarettes. He himself was an unrepentant smoker who had unsuccessfully tried quitting by using a nicotine patch.
5. Here are the 10 bogies, drones targeting markets, stocks, bonds and the, global economy: