The biggest problem I've had with Kurzweil and the exponential growth curve is that the elbow depends entirely on how you plot and scale the axis. With a certai

The biggest problem I've had with Kurzweil and the exponential growth curve is that the elbow depends entirely on how you plot and scale the axis. With a certain vantage point we have arguably been on an exponential curve since the advent of Homo Sapiens.