Satoru Cho (as known as "Tehu") An overseas Chinese in Japan. I'm called "Xing Zhang" in Chinese.
Smartphone/Web engineer, Web Security/HumanUI researcher, Ustream broadcaster, Technical Writer, Lecturer of many tech conferences, and more... I live in many areas.
Chairman of Web Committee in Nada Senior High School
Former Financial President of Nada Personal Computer users' Association
Graduate of Security and Programming Camp 2011 Web Security Class.