For a more visual explanation of the difference between where we are now, and where Alex would like us to be, see the diagrams in his next blog post. http://in

For a more visual explanation of the difference between where we are now, and where Alex would like us to be, see the diagrams in his next blog post. http://infrequently.org/2012/04/one-for-dave-and-david/ http://infrequently.org/2012/04/one-for-dave-and-david/ There's some fantastic discussion in the comments there, too.