[thelist] blocking doubleclick : some links

The CDT has links to opt-out pages:
    http://opt-out.cdt.org/

Adsubtract's intermute selectively block cookies and ads.
   http://www.intermute.com/

Anonymizer allows anonymous browsing
   http://www.anonymizer.com/

IDcide and ...
   http://www.idcide.com/

... zeroknoledge's freedom are alternatives to intermute.
   http://www.freedom.net/

If you read German, you could also try this free alternative to
anonymizer
   http://www.rewebber.com/

For additional background info, there's the EFF ...
   http://www.eff.org/

... and Junkbusters.
   http://www.junkbusters.com/

Hope this helps,

Harald