童心是一种生活态度和习惯，做自己喜欢的事，不为将来而担忧。青壮年的人，越思进取压力越大，因此不可无童心做调节。我搞收藏本为还我童心，如今用市场价格计算藏品，适得其反了。要改要改！

We now communiate on the web using webcams and youtubes. Imagine three or ten people from different locations are collaborating with each other. How can one aware the others' spatial location and social background? How can we understand their activities as a whole? Isn't it interesting to integrate geographic and a wide variety of context information with the video? Look at the prototype we created. It'll appear in IEEE Visualization Conference 2007.(http://vis.computer.org/vis2007/)

http://www.youtube.com/watch?v=itQwvisw3_A