24 December 2013
Knowledge Graph seems fairly new and 'not SEO-able' but Gianluca Fiorelli shows that there is a lot you can do.
23 July 2013
New research shows Google+ lags behind Facebook, Twitter, Pinterest, and LinkedIn in terms of social sharing, accounting for only 2% of content shares.
27 February 2012
Google will soon slightly change the way the current +1 button works. Since last year August you can share pages on Google+ via the button embedded on a website. Extra click...
13 February 2012
Google will ignore Robots.txt and index a page that you have specifically blocked once the page has received a +1.