Yeah, that bugged me, too. I wonder if it would be better if Metcalfe's law were stated "the value of a network is proportional to the number of links." (At l

Yeah, that bugged me, too. I wonder if it would be better if Metcalfe's law were stated "the value of a network is proportional to the number of links." (At least this isn't a case of talking about the "knee" of an exponential curve! When I taught calculus, I tried demonstrating how rescaling the y-axis shifts the curve horizontally, moving the "knee".)