Usability department: to create or not?

During the last three weeks I had to answer the same question 4-5 times:

Is it worth creating your own department inside the company that will deal with usability issues, and if so, how?

This question was asked to me by friends and colleagues, and clients, and I suspect, will be asked in the future. The fact that “usability” is sort of even sometimes useful is understood by many, and now they are faced with the question of how to organize the process most efficiently and at the lowest cost ... full article