Reading, readability, reading on the web, effectively communicating via blogs and social media

After reading about How google is rewiring our reading patterns and experiencing those effects on my own reading style, I was forced to check out some more stuff.
The following are useful links for anybody interested in effective communication - be it office emails, blog content, PR people of companies, etc.

http://www.nngroup.com/articles/how-users-read-on-the-web/
http://www.nngroup.com/articles/worlds-best-headlines-bbc-news/
http://www.nngroup.com/articles/write-articles-not-blogs/
http://blog.bufferapp.com/how-we-manage-a-blog-with-700000-readers-per-month

http://www.nngroup.com/courses/writing-1/
http://www.nngroup.com/courses/writing-2/
http://www.nngroup.com/courses/content-strategy-day-1/
http://www.nngroup.com/courses/content-strategy-day-2/
http://www.nngroup.com/articles/writing-social-media-facebook-twitter/