It's been long time since I left a social media. The reason was I could not use my time well on the social media. I think there could be a good way to use my time on it. Today, I watch the following TED talk, and think about other aspect of the social media. Wael Ghonim: Let's design social media that drives real change http://www.ted.com/talks/wael_ghonim_let_s_design_social_media_that_drives_real_change I also felt ``polarization of people'' when I used the social media. People gathered on a theme/page. Most of the people already like. interested in, or know the subject. They are not completely stranger. If people feel this page is not exactly they ware looking for, they would just leave the page. In the end, I am more interested in a talk with friends at a cafe. Usually I and my friends have some different opinions and I could found something new. Even we found a different opinions, we usually continue to talk and both try to know and understand the difference. B...
Mathematics, programming, and a little bit of my life.