1.Write a concrete usability scenario for your automobile that specifies how long it takes you to set your favorite stations. Now consider another part of the driver experience and create scenarios that test other aspects of the response measures from the general scenario table.

2. How might usability trade-off again security? How might it trade-off against performance?

3. Pick two of the websites you used often that do similar things, such as video streaming, online shopping, or social networking. Pick one appropriate response from the usability general scenario( for example: predict use's need) and an appropriate corresponding response measure. Use the response and response measure you chose, compare the website's usability.

4. What are the energy tradeoffs in your smartphone between using Wi-Fi and the cellular network?