/ http://www.slideshare.net/images/logo.gif / 際際滷Share feed for 際際滷shows by User: woohangyoo https://public.slidesharecdn.com/v2/images/profile-picture.png My name is Hangyoo, Woo. I am engineer of smart phone development. So, I'm interested in embeded system, Also, Humanity, pholisopy. The center of the world is human.