Older entries:

• Google: Authorship Still Not Used For Rankings | May 20, 2014
• Experts Say Google's Authorship Reduction Not Related To Author Authority | January 9, 2014
• Google: Authorship Works With Google+ Vanity URLs | December 20, 2013
• Updated: Did The Authorship Reduction In Google Begin? Yes. | December 19, 2013
• Google Image Authorship Adds "Page By" | November 15, 2013
• Google Closing Authorship Project? | October 28, 2013
• Authorship Now On Google Image Search. Confused? | October 3, 2013
• Google's John Mueller: "We Don't Use Authorship For Ranking" | October 1, 2013
• Google: Headscarfs Do Not Prevent Authorship Display | September 16, 2013
• Google Authorship Rich Snippets Even Easier Now With Google+ Signin | September 10, 2013
• Google's FAQ On Rel Author Says Not For Product Pages | August 22, 2013
• Maybe I'm Not That Ugly, My Face Is Back In Google | August 16, 2013
• Cartoon Authorship In Google's Rich Snippets | July 23, 2013
• Google, Am I That Ugly? Google Drops My Face From Authorship | June 21, 2013
• Google's Cutts: Your Ugly Face Didn't Hurt Your Rankings, Penguin Did. | May 31, 2013
• Google Authorship Snippet Drops More By... Link | April 25, 2013
• Are Animated Google+ Profile Pictures Acceptable For Authorship? | April 2, 2013
• Canonical URL Issues Can Prevent Google Authorship Display | January 15, 2013
• Make Sure Your Google Headshot Is Recognizable | October 30, 2012
• Google Author Image Showing In Search Results For Other Web Sites | October 23, 2012
• Google Updates Authorship Patent: Here's What's Different | October 22, 2012
• Google: No Impact On Ranking Based On Linkage Of Google Profile | October 3, 2012
• Google Author Benefits: Extra Links, More Visibility & Easy | October 2, 2012
• Author Stats Returns To Google Webmaster Tools | July 19, 2012
• Google Author Stats Goes Missing From Webmaster Tools | April 17, 2012
• Optimize Your Google Authorship Image To Increase CTR | February 8, 2012
• Google News Drops Author Search Command | December 19, 2011
• Google Promotes Google+ With Authorship More Link | December 15, 2011