Webtoon-related information transmission business through domestic and international networks, voice transmission business through domestic and foreign networks, digital media streaming service business, digital broadcasting business, multimedia content online access business, video and audio transmission business using mobile and Internet, real-time audio/video/pause and Video image/text/data transmission/broadcasting/receiving business, online chat room and electronic bulletin board service provider, data and information transmission business through online service, online image transmission business, digital file transmission business through online, mobile content transmission through online business, sound/text data/image transmission business, image electronic transmission business, video broadcasting business using the Internet and other communication networks, audio and video content streaming service business through the Internet and wireless networks, Internet broadcasting business, for others through computer networks Digital media content electronic transmission business, message and image transmission business using computer, mobile content access business through cell phone