for her i.d. series japanese photographer tomoko sawada took multiple self-portraits via photo booth, constantly altering dress and physical appearance to create more than 400 "versions" of herself. personally i'm a sucker for any photo project that involves a grid. you can see more of tomoko's work right here.
[tomoko sawada. from the series id 400. #301-400. 1998-2001. top: detail. bottom: full image.]