Don Norman on 3 ways good design makes you happy
http://www.ted.com/talks/don_norman_on_design_and_emotion.html

댄 길버트, “우리는 왜 행복할까요?”
http://www.ted.com/talks/lang/kor/dan_gilbert_asks_why_are_we_happy.html

죠니 리 - Wii 콘트롤러를 쓰는 새로운 방식
http://www.ted.com/talks/lang/kor/johnny_lee_demos_wii_remote_hacks.html