Google uses your search history to personalize your search results. I guess search engine optimization is getting harder. Search results now depend on the user and will be different from user to user.
Read Personalized Search Help:
As a My Search History user, you’ve been storing a history of your searches and the search results you’ve clicked [...]

I’ve just istalled the “Google Sitemap” plugin for WordPress and submitted the sitemap to Google. Let’s see if Google will index this site faster.
Sitemap is a must have for hard-to-crawl sites. This site does not seem to have any problems with crawlers. However, it’s always interesting to learn new tools.
For more information, see Google Sitemaps [...]

Netdisaster.Com is a nice example of viral marketing. Make sure to visit the site as it’s fun. Do you feel like telling others about NetDisaster?