Usability Vs. Usefulness: Which Matters More in Real-World Applications?

Just check out this wonderful PPT which compares usability and usefulness.

Dear Manish,

This was not my thought. It was somebody's thought, and I flicked it with my evil thought ;)

Hi Mahr,

Your efforts in posting wonderful material for everyone are truly appreciative, especially for me as a freelancer living in a relatively small town like Kolhapur. I don't miss being in a generative environment. Learning something new is life for me; I am a Learning and Development facilitator!