diberry - 4:54 pm on Dec 4, 2012 (gmt 0)
I feel like something definitely happened yesterday. My traffic was up 70% compared to the day before (that's 70% higher than the day before's paltry amount, not a 70% recovery) and it's holding so far today.
Also, I'm seeing a daily movement in the SERPs, even from one point in the day to another. It does feel like an update.