URLs

• https://www.pixiv.net/users/28835
• https://www.pixiv.net/stacc/yudon
• https://twitter.com/y_u
• https://twitter.com/intent/user?user_id=28247160
• http://sp5.soragoto.net
• http://twitpic.com/photos/y_u
• http://yfrog.com/user/y_u/photos