Using Anchor Links to Make Google Ignore The First Link | SEOmoz.
Experiments to test Google ignoring a link – using an anchor! Neat.
Hacker News | Google algorithm change launched.
Matt Cutts announces an algo change targetting scraper sites. Live date for this change was approx 25 Jan 2011.
Google’s Udi Manber – Search is a Hard Problem.
I’d been looking for the source of that 20 – 25% of searches are unique quote. Found it!
Google Analytics Usage Statistics.
Google Analytics is on more than 50% of the world’s top 1,000 websites.
Google Places SEO: Lessons Learned from Rank Correlation Data | SEOmoz. Dec 7 2010
“In November, we gathered data for 220 search queries – 20 US cities and 11 business “types” (different kinds of queries)….our findings proved surprising significant (from a statistical standpoint) and thus, we’re making the results and report publicly available.
So I just tested out a few of my own sites and my clients sites and found none were affected by the Google farmer update – phew! Some even had a small uplift.
Did you survive? Reward yourself for your good quality content!
Yes, we are all search marketers here. Yes, I am shamelessly canvassing for links. Hey, I spent minutes on that logo. Show me some love 
Google’s Farmer Update: Analysis of Winners vs. Losers | SEOmoz.
While there’s been plenty of talk, reporting and data around the farmer update, this is the best post I’ve seen so far collating all the data and doing a meaningful analysis on it.
What Happens When You Build 10,000 Dodgy Links to a New Domain in 24 Hours? | SEOptimise.
You get a heap of traffic, and then get penalised.
No real surprises here, but it’s interesting to see how long it took to get penalised, and that it did actually work for a period.