echo4ngel #153457

August 22, 2007

Flickr 직원과의 미팅 at 야후! 코리아 대회의실

September 3, 2008

LIFT Asia at Jeju International Convention Center

October 13, 2008

openWebasia 08 at Sheraton Grande Walkerhill Hotel

May 28, 2009

Semantic Web VoCamp Seoul: Summer at School of Dentistry, Seoul National University