A limited number of people are noticing significant changes in their rankings and traffic from Google.com at WebmasterWorld forums.
Some have seen a 80% drop in traffic from Google and some have seen a 350% increase in traffic from Google.
Here are some reports:
My pages lost about 80% of their traffic about 10 days ago or so. Nov 16/17 I noticed a few terms popping back into the top three positions…
My traffic is down about 20% but I am not worried.
I lost 90% of my Google traffic in 2 Days
I’m seeing a 350 percent increase in traffic on 1 of our websites.
Forum discussion at WebmasterWorld.