Micro-Blogging Impact On SEO
"Many people have a greater reach on Twitter than they do via their blog and they certainly have more tools to make it easy to post thoughts, discoveries and questions," Critchlow writes. In the post he explores the explosion of publishing on third-party platforms, and increasing use of nofollow for a range of purposes. So, don't discard nofollows just yet. He asserts "some of the most 'valuable' links on the internet at the moment are nofollow," and provides examples to use them effectively.