This list was compiled by Eric Ward so you know it has to be good.
1. Down With Toolbar PageRank And Up With… What?
by Julie Joyce
There are quality alternative metrics to PageRank, such as the various ones used by Majestic, Ahrefs, Open Site Explorer and Link Research Tools. Let’s look at how these metrics are calculated, taking it from the source. After that, we’ll see how the numbers stack up across a few different sites.
2. 315 Businesses Boost Rankings by Optimizing Their Google+ Local Pages [Study]
by Jon Schepke
Ripe opportunity still exists to boost local visibility with some focused SEO efforts. Consider the five primary optimization techniques employed by the businesses in this study and the impact the effort delivered on local visibility.
3. How Google+ Shut Me Down for Impersonating Myself
by Ken Mueller
Despite having a YouTube channel (owned by Google) under my own name for years, and a Gmail account, along with other Google properties, I’ve been shut down by Google+ because my “profile impersonates someone.” So, I have my picture and my name, and I’m impersonating someone? Myself perhaps?
4. Are all comments with links spam?
Video by Matt Cutts
5. How Google Might Use the Context of Links to Identify Link Spam
By Bill Slawski
In 2004, Google filed for a patent that describes how the search engine might pay more attention to the context of a link, such as the words that surround the link, to better understand the context of those links. In the example of unnatural links from the Webmaster Central blog post, we see clearly how links in an example post might be created in a way where the context of those links makes little sense.
6. Building High Quality Backlinks with Dofollow Relationship
By Michael Martinez
Where Larry and Sergey were wrong was in treating links as “votes”. Links have never been “votes”. But the aggregate data analysis really doesn’t need to use that metaphor. Or, rather, I should say it’s a neutral metaphor at the aggregate level — it doesn’t matter if you say “links are votes” or “links are NOT votes” when you look at the SET OF LINKS. Linking behavior always reveals a pattern.