Theory and Practice

In theory, there is no difference between theory and practice. In practice there is.
--Various attributions, mainly to baseball coach Yogi Berra

Theory and practice sometimes confuse us. For some reason, practice always leads to the success of a task. Theory builts the foundation of the task. In my opinion, both are equally important. They depends on each other to built a nearly bullet proof (well, nothing is perfect) task.

Researcher explores new technologies. Practitioner refines the technologies. Good luck!

To the user, the interface is the system --Peter Keen

A funny comics illustrate the important of user interface. Is the user interface important? Yes!