According to this person's tweet... https://twitter.com/daragonph/status/325798946423312384

Daragon's 818th tweet was a retweet from GD's MichiGO MV release :"""> And as we all know, 8/18 is Jiyong's bday sooooo, is it just a coincidence or was it on purpose??? :D Lol you guys judge :) 

https://www.facebook.com/photo.php?fbid=10151390560791914&l=ce97be53db