Google Caffeine is Live at the First Data Center

The extreme examples of undesirable sites are the spammy, duplicate content, cheap bot created marketing nightmares. With any luck, Google will figure out a way to get these kinds of sites de-indexed entirely. However, the folks who run these kinds of sites are always inventing new ways to trick the search engines. It’s this, as much as anything, that causes Google to have to constantly tweak their algorithms to defeat the latest black hat tricks.