Chao-Kuei Hung http://people.ofset.org/~ckhung/index.en.php is a long time FLOSS advocate in Taiwan. He has given more than a hundred talks about free software, most of which are addressed to school teachers. The topics include technical ones such as mathematics and regular expressions, as well as non-technical ones such as culture and philosophy and of free software. He is also concerned with privacy and consumer right invasion by large ICT corporations. He is a member of http://www.ofset.org/ Organization for Free Software in Education and Teaching.