You bring up good points, but mental multiplication is a bad example. That's certainly more related to an inadequate notation for the task than any trend in hum

You bring up good points, but mental multiplication is a bad example. That's certainly more related to an inadequate notation for the task than any trend in human intellect. http://news.ycombinator.com/item?id=1954217 http://news.ycombinator.com/item?id=1954217