@backdraft today we see the top 5-6 results being from what was once the top two. I have no idea what they're doing.
The final adwords numbers are telling, impressions down 25%, cpc up about 35%, conversions terrible. Adwords has been most useful in showing clear changes on major keyword sets.
We aren't seeing wiki because we deal in products but amazon is ranking near the top again. Conversions this week are attrocious from google