"The Differences between Usability and User Experience"
http://insideria.com/2010/01/the-difference-between-usabili.html

Thus, it makes sense, when designing mobile touchscreen apps, to pay attention to these activity zones. Put the high-use controls in the Easy zones, and controls that are less used (and certainly those you don’t want accidentally pressed) in the Reach zones.

Please do not confuse usability with a luxury, a last minute user test, asking users what they like, something which slows down development or a creativity killer. And don’t get me started on why having a rigorous and systematic approach to usability provides great commercial advantage and should NOT be confused with being academic.

http://econsultancy.com/uk/blog/6662-the-top-five-usability-myths-demolished

"On corporate blogs, summaries are usually superior to full articles because they let you expose users to a broad selection of topics. Offering more topics increases the likelihood that users will find something that really interests them and thus will click through to read more. (As opposed to leaving.)"

http://www.useit.com/alertbox/blog-front-pages.html