1. What is usability? Can it be quantified? How? Is usability uniquely determined by the "internal" characteristics of a product or system, such as its design and implementation details? If so, what determines usability? If not, what other factors also affects usability?
2. What are the different interaction styles? Give some example user populations and their tasks where each interaction style can be employed to accomplish/support individual users and their tasks.
3. Select a software, an application, a Web site, an online service, a smart device, a game, or anything with computer/software embedded in it, that you may interact with it as a user, and perform the following:
   • Classify the interaction style(s) of its user interface.
   • Analyze its usability by consulting the 8 golden rules of interface design.
   • How would you measure its usability? Give some examples.
     (Make up some numbers, if it helps).

Due Date: