This is a valid approach. This is actually exactly what dithering [1] is in signal processing. You spend a little additive noise, but gain a much more regular d

This is a valid approach. This is actually exactly what dithering [1] is in signal processing. You spend a little additive noise, but gain a much more regular distribution. The pagination is adding a quantization error of sorts in the amount of exposure each article is getting. [1] http://en.wikipedia.org/wiki/Dither http://en.wikipedia.org/wiki/Dither