1. A User Study on User Collaboration and Privacy Concerns thorough the use of a Round Table-top Multi-touch Interface Nicolas J. Dedual

2. Main Idea/Motivation Apple iPhone and Microsoft Surface: Really cool, but how do they work? Apple iPhone and Microsoft Surface: Really cool, but how do they work? Answer: Multitouch technology Answer: Multitouch technology Tabletop Multitouch Tabletop Multitouch Round table Round table All for one and one for all, but is this really true for some? All for one and one for all, but is this really true for some?

3. Test Conditions 6 participants 6 participants 4 tabletops 4 tabletops 2 multitouch 2 multitouch Jigsaw Puzzle program Jigsaw Puzzle program 2 non-multitouch 2 non-multitouch 1000 piece jigsaw puzzle 1000 piece jigsaw puzzle 25 minutes to solve as best they could 25 minutes to solve as best they could Picture Comparison/Questionnaire Picture Comparison/Questionnaire Systemic Bias Systemic Bias

4. Screenshots

5. Results/Analysis 50/50 preferred round over rectangular multitouch 50/50 preferred round over rectangular multitouch 67% preferred rectangular non-multitouch tabletop because it provided more personal space and more space in general 67% preferred rectangular non-multitouch tabletop because it provided more personal space and more space in general Users were neutral as to any invasion of personal space on all tabletops Users were neutral as to any invasion of personal space on all tabletops Further study group with larger population is necessary in order to determine things with certainty Further study group with larger population is necessary in order to determine things with certainty

6. Conclusions/Future Work Further improvements on my multitouch tabletop interface is necessary. Further improvements on my multitouch tabletop interface is necessary. No real improvement in collaboration from either tabletop No real improvement in collaboration from either tabletop Users like their mobility Users like their mobility Height is an important factor to consider Height is an important factor to consider Coffee table may not be so good for immersive collaborative tasks Coffee table may not be so good for immersive collaborative tasks