User blog comment:YazzyDream/ONE PIECE: STRONG WORLD/@comment-67.161.80.90-20100901051537/@comment-1595565-20100902042249

Ummm, a sense of self-identity, a user page with your user name on it, and a cool user name you can make all your own. Do anonymous users have blogs? If they don't, that could be another benefit. Just join.