New useit.com article on Enterprise Usability:
- Three levels to consider (Individual, Group, and Enterprise)
- Examples of usability issues at the Enterprise level
- Methods for measuring usability at the Group and Enterprise Level
Individual usability is pretty much a solved problem. We have the usability methods down pat, and anybody can learn the most important ones in a few days. We also have thousands of guidelines that are known to enhance usability for individual users.
Group-level usability and enterprise usability are less well defined: they've been researched less and are more variable. This doesn't mean that you should ignore these levels. On the contrary, it means that you should make sure to study them in your own organization.