1. In a multi-user computer network, a method for obtaining and displaying information relating to existence of at least one user of a computer network in an image comprising: assigning unique user identifications to users of a computer network and storing said unique user identifications in a users database accessible to a plurality of computers of said computer network; obtaining image data from at least one uploading user of said computer network; assigning a unique image identification to said image data and storing said unique image identification in an images database accessible to a plurality of computers of said computer network; receiving from a first tagging user a request to identify users of said computer network in said image data wherein said request contains said image identification and the user identification of said first tagging user; responsive to said request presenting a client interface to said first tagging user configured to provide identifying information, wherein said identifying information comprises a user identification of a first pictured user of said computer network and said image identification; obtaining said identifying information from said first tagging user; storing an association between said first pictured user identification and said image identification in an identifications database that allows a user identification to be associated with one or more image identifications as well as an image identification to be associated with one or more user identifications wherein said identifications database is accessible by a plurality of computers of said network; receiving from a second tagging user a request to identify users in said image data wherein said request contains said image identification and the user identification of said second tagging user; responsive to said second tagging user's request, presenting a client interface to said second tagging user configured to provide identifying information, wherein said second tagging user's identifying information comprises an additional pictured user identification of an additional pictured user of said computer network and said image identification; obtaining said identifying information from said second tagging user; storing an association between said additional pictured user identification and said image identification in an identifications database that allows a user identification to be associated with one or more image identifications as well as an image identification to be associated with one or more user identification, wherein said identifications database is accessible by a plurality of computers of said computer network; receiving a request for said image data from a viewing user of said computer network; displaying list of pictured users of said network that have been identified by said first tagging user and said second tagging user in said image data.