According to that logic wouldn't we still be purchasing K1s rather than K3s? If we don't ask for improvements (regardless of how few are how many consider them improvements) the eventual K4 will be a K3 in a different color and a few things Amazon designers thought up. With corporate America you pretty much have to ask for everything under the sun and be happy to get the moon in return. That's the way the game is played here. I know of no device that was as good as it could be when first introduced. But if companies listen to the buyer then over time their product improves to meet the consumers wants and needs. Hence we went from a K1 to an improved K2 and now to an even more improved K3.

Of course if only a small percentage of consumers want a two-column display of text I would fully expect Amazon to ignore the request. But if a sizeable number of consumers request it, they might take note.