After Oprah's blessing, Twitter has become officially mainstream, and many celebrities are joining the micro-blogging service. Yuna Kim, a Korean figure skater who is one of the most popular sports figures in Korea, also started her own Twitter recently. Kim's Twitter has instantly got .
Whenever I talk to folks from the Valley, many of them ask me why no one had started a Twitter clone in Korea. It turns out that we do have a cool Twitter-like service in Me2day, which is now part of NHN (the company behind Naver.) Also there is another service called PlayTalk, which became famous after a famous Korean book author published a best seller book, based on his "Twits" on PlayTalk.
Speaking of a famous figure using the service, Me2day also saw increase of use after having Epic High, famous singer, on board. Key takeaway here: Whether it's Oprah, a figure skater, or a best selling book author, having a celebrity on your service can make it much more visible to the mainstream users.