Google's head of web spam, Matt Cutts, has announced that updates to PageRank will be visible in the coming days. Cutts also said that some existing penalties will be expired with the update.
If you're new to search engine marketing and want to learn about PageRank, here's a whole slew of posts to get you in the know:
Google PageRank: Simplified
Google PageRank isn't the Same as Ranking in Google
Should You Join the PageRank Hysteria?
Thankful for PageRank Updates, Blended Search
The Art of Sculpting, or There's Nothing Wrong with Knowing SEO
Google Will Bank on VisualRank - PageRank for Images
The Original Search Marketing Event is Back!
SES Denver (Oct 16) offers an intense day of learning all the critical aspects of search engine optimization (SEO) and paid search advertising (PPC). The mission of SES remains the same as it did from the start - to help you master being found on search engines. Early Bird rates extended through Sept 19. Register today!