Get make your content pre-sell free.
http://mycps.sitesell.com/blitzpromotions.html

And make your site sell is free as well
http://myss.sitesell.com/blitzpromotions.html

Some info on Google Base
http://www.highrankings.com/forum/index.php?showtopic=24935

How to stop blocked landing pages (open till Oct16)
http://www.marketingsherpa.com/article.php?ident=29728

What exactly is Web 2.0
http://www.demc.com/artman/publish/article_176.shtml