You and a date are at a cocktail party. as you pluck a drink off a tray, you turn and almost run into actor idris elba of luther fame. you discover after a short chat that he knows your date. you remark that it sure is a small world and that maybe that six degrees thing is true. in his interview with dalton conley, duncan watts confirms the work of stanley milgram, but also notes that the "six degrees" idea can apply to