Seokchan (Channy) Yun had over 10 year experiences of Internet business especially web 2.0, open source, web standards and famous tech writer in Korea. He has written in columns in ZDNet Korea and his own Channy's Blog' with over 1k readers. He's a founder of BarcampSeoul and WebAppsCon and asian editorial advisor of Lift Asia. Channy worked for Daum as a technical evangelist for 5 years and CTO of Nine4u for 7 years. Now he studies Web sciences in Biomedical Knowledge Engineering Laboratory of Seoul National University.