backdraft7 - 1:18 am on Sep 10, 2012 (gmt 0)
RC - I sure wish I could draw some common denominator in to explain the patterns. They seem to be the result of either endless tinkering with the algo (which makes little sense, because pre 2010 we never experienced this as they were endlessly tinkering with algos) or a new randomization system.
For now I'm chalking it up to the latter, a new random everflux, designed to keep us guessing, forever.
In a few hours, we'll probably see many similar reports from our UK friends concurring the low quality traffic results from the past two days.