When he stopped by last month to explain his latest product, Tony Fadell, the fast-talking C.E.O. of Nest Labs, said up front that it was not “a robot that serves you drinks.” Fadell is the ...

Beautiful, beautiful love. Much as nanny-staters might be loath to admit it, some people just love to smoke. Count me among them. There’s nothing like that first heady pull — preferably, if ...