Browser performance -- blocking adware in DNS

[me at mattgillen.net (Matthew Gillen)]

Josh ChaitinPollak wrote:
> How does this solution affect websites that require the doubleclick 
> cookies or whatever to function properly? Some websites refuse to  work
> unless you have their ad provider's cookies.

What sites?  I've been blocking doubleclick for years in the way Rich
described, and haven't had any problems that I could trace back to an
issue like that.
--Matt