1. CS-EE 481 Spring 2007 1Founder’s Day, 2007 University of Portland School of Engineering Biggerfoot Textbook Exchange Team Enterprise Andrew Elliott Robert Insley Brian Toole Peter Wolf Advisor Dr. Karen Ward Industry Representatives Brian Olsen, Harland Financial Todd Gentry, Harland Financial

2. CS-EE 481 Spring 2007 2Founder’s Day, 2007 University of Portland School of Engineering Agenda Introduction Peter Wolf Background Peter Wolf Methods Andrew Elliott Results Brian Toole Demonstration Bob Insley Conclusions Bob Insley

3. CS-EE 481 Spring 2007 3Founder’s Day, 2007 University of Portland School of Engineering Textbooks are Expensive =

4. CS-EE 481 Spring 2007 4Founder’s Day, 2007 University of Portland School of Engineering Biggerfoot to the Rescue! =

5. CS-EE 481 Spring 2007 5Founder’s Day, 2007 University of Portland School of Engineering What is Biggerfoot? Biggerfoot is a web- based application Allows UP students to list and search for textbooks www.biggerfoot.net

6. CS-EE 481 Spring 2007 6Founder’s Day, 2007 University of Portland School of Engineering History Bigfoot textbook exchange shut down in 2005 –Security concerns –Poor user interface Team Enterprise inspired to build a better Bigfoot –Careful design –Emphasis on usability

7. CS-EE 481 Spring 2007 7Founder’s Day, 2007 University of Portland School of Engineering Process Waterfall design process –Gather requirements –Design interface and internals –Build prototype –Test and repair –α release

8. CS-EE 481 Spring 2007 8Founder’s Day, 2007 University of Portland School of Engineering Architecture MySQL Database Account Management Account Creation Add/Edit Listings Help Searching and Buying

9. CS-EE 481 Spring 2007 9Founder’s Day, 2007 University of Portland School of Engineering Security Features Restricted to UP students Only collects seller email addresses No personal information displayed Password encryption SQL injection prevention

10. CS-EE 481 Spring 2007 10Founder’s Day, 2007 University of Portland School of Engineering Usability Testing Created semi-formal test protocol Ran test with several potential users Observed difficulties with interface Gathered feedback on experience Improved interface in response to results

11. CS-EE 481 Spring 2007 11Founder’s Day, 2007 University of Portland School of Engineering Demonstration Searching for books Contacting a seller Managing listed books http://www.biggerfoot.net/

12. CS-EE 481 Spring 2007 12Founder’s Day, 2007 University of Portland School of Engineering Conclusions Textbook exchange for UP students Provides convenience and savings Successful design and implementation Secure and usable prototype

13. CS-EE 481 Spring 2007 13Founder’s Day, 2007 University of Portland School of Engineering Thank You! Dr. Ward Dr. Lillevik Brian and Todd Testers –Annemarie Grimaldi, Zach Heath, Edward Kendrick, Corban Monger, Tim Morris, Srija Pidaparthy, Joanna Sanders, Luke Stager, Christine Siri, Neil Tuttle, Sarah Wagner, Eric Yost Site host –Ray Dehler (Nooblet, Inc.) Harold Burke-Sivers Nick Thom and Megan Olmstead Friends and Families

14. CS-EE 481 Spring 2007 14Founder’s Day, 2007 University of Portland School of Engineering Questions?