SEOPTI - 12:26 am on Nov 30, 2012 (gmt 0)
Exactly is is Bethesda, Maryland.
I had to: SetEnvIf User-Agent Slurp get_out
Even the Slurp help page which you see in your logs is not available any more. It is just completely pointless.
When I first checked adsense analytics based on screen size I thought, what's wrong with 1024x768, they almost never click, they always bounce, it was a mystery, now I know it's Yahoo.