Answer:
me2DAY[mi:tu:dei] is South Korea's biggest social networking and micro-blogging web service where users post a text up to 150 characters, some of which could be linked with (photo) images, (music) sounds, and videos from your browser, desktop, email and with mobile phone wherever you happen to be.
The name of me2DAY has two meanings. One is 'me-too' that means "I agree with you", and the other is 'me & today' that means "Let me tell you about my today".
http://me2guide.weblog.com/what-is-me2day/