The Empowerment Group (TEG) constantly monitors industry trends across the areas of internal communication, branding, usability, human computer interaction, knowledge management and related trends. These links might prove useful to you if you want to learn more about these areas.
UsabilityKnowledge Management
Internal Communication
The International Association of Business Communicators website. - www.iabc.com
Organisational Communication Research - www.it.murdoch.edu.au/~sudweeks/ceda/ppframe.htm
Basics of organisational communication research from an Australian academic.
Tools on change management - www.prosci.com