INVENRELATION - 左右寰宇，前後貫宙，有思考的地方就有創新。此書的目的是闡明如何系統化地產生、發明點子！Wherever, whenever, invention will always happen at places where there are thoughts. The purpose of this book is trying to realize the goal about generating invention ideas systematically.張適宇是國立清華大學資工系教師，他的研究興趣是創造力和信息網路。Shih Yu Chang is an associate professor with the Department of Computer Science, National Tsing Hua University, Hsinchu, Taiwan. His research interests are intelligence and information networks.