tedster - 2:11 am on May 3, 2010 (gmt 0)
it affects everything in ripples, not all at once
Absolutely! Sometimes we tend to think as if this were still Infoseek in the '90s. We would like to make a change and see every effect of that change show up in the rankings within hours. Not so today - it's ripples, and ripples upon ripples, and then Moiré patterns as the ripples all interfere with each other.