1. Sharing Projectors Myungcheol Doo & Andy Wu

2. Intro & Motivation Increase efficiency of group meeting –Reduce delay in switching a VGA cable Increase the rate of projector usage –Mobile devices –Laptop computers

3. Related Product http://www.planex.net/product/wireless/gw-ap54pr.htm

4. Proposed Solution ServerClientsProjector VGA CableTCP / IP

5. Proposed Solution Screen Shots ClientServer

6. User Evaluation  Control Group: switch a VGA cable  Experimental group: use software  Task: find 12 photos for making a photo calendar Control Group Experimental Group

7. User Evaluation (continued) 10 minutesIntroduction 20 minutesCondition 1Observation 5 minutesRest time 20 minutesCondition 2Observation 5 minutesQuestionnaire 20 minutesInterviewFocus group 16 subjects avg: 19.08 sd: 7.83 median: 14.71

8. User Feedback AdvantagesDisadvantages Cable I know who is using I can use extensive desktop Playing videos Plug/unplug cables Cabled color is wrong How to switch to the projector? I have to reboot my laptop?? Plug and pray This Software Just one click Very fast Efficient Distance meeting? Any problem? just re-launch the software Security Identity Software anyone can grab it Software delay Video may be problematic Privacy

9. Conclusions Users like our software (avg: 1.58, sd: 0.42) Our software is good for: –Mobile devices –Multiple computer meeting But!! Here are the problems: –Privacy Extended desktop Maximize working windows –Sharing screens vs sharing information User scenario –Identity

10. Future Work User1