We've seen them before, blu Cig's electric cigarettes designed to offer users a "healthier" way to get their daily dose of nicotine without resorting to the classic cancer stick. These smokes can now be found in a sophisticated Smart Pack that alerts you of other users within 50 feet, perhaps for some enlightening small talk without the wrinkle-inducing ash. This week, the cigarettes got an upgrade with a stronger battery and a "convenient cartomizer" that lets you tweak the level of nicotine and fl
