Oh! the inundation of triumphant screenshots: four-by-four arrays of cool-grey bevelled tiles, warming up to rust and cheeky crimson, dawning -- finally! -- victorious in glorious sunshine yellow. If you haven't 2048 ed yet, you're nothing in today's world, even should you boast whole hosts of grand post-nominals. Or so it would seem from Facebook. For those who've been passed by by this particular phenomenon, 2048 is an online, single-player, sliding block puzzle game, the aim of which is to collide (and consequently additively combine) matching tiles displaying powers of two until the value 2048 (= 2^11) is reached. It's all the rage. At least, it was a week ago...at the time I start to write it is already on the wane, and by the time I finish (in a few months if my recent rate of composition's anything to go by) we'll doubtless be several new-fangled iterations down the line, our Facebook feeds populated by some hybrid whatsit -- virtual cultivation o...