2009年暴雪嘉年华即将于8月21日、22日在美国加州阿纳海姆会议中心举行，
O O O O O B-organization I-organization I-organization I-organization I-organization O O O O O O O O O O O O O B-address I-address I-address I-address I-address I-address I-address I-address I-address I-address I-address I-address O O O