caddzooks

Cost is affected by all operational expenses. [Sigh]

So in other words, the developers of Android could not figure out how to design a system that could distinguish a screenshot that was initiated by the user versus one initiated by software.

Very impressive.

Consider the following LISP function that performs a transformation of an MxN matrix:

(defun transpose (matrix) (apply #'mapcar #'list matrix))

Based on my own experience I think I can say that It isn't until one has acquired a reasonable amount of experience with the language that they can fully appreciate its power.