In The Trenches 9 Problems With Paid Search, 9 Real Tactics To Solve Them

http://searchengineland.com/9-problems-with-paid-search-9-real-tactics-to-solve-them-24672

4 Ways to Optimize Your Twitter Background

http://www.10e20.com/blog/2009/08/18/4-ways-to-optimize-your-twitter-background/

Is Online PR The Ultimate Link Building Technique?

http://www.linkingmatters.com/online-pr-link-building

30+ principles to a better landing page design

http://www.landingpageoptimization.org/30-principles-to-a-better-landing-page-design