16. Software for providing a feature in a network environment, the software being embodied in a computer readable non-transitory medium and comprising computer code such that when executed by a processor in an electronic environment is operable to: interface with one or more end users via a central website; manage information related to one or more of the end users; determine a personality type for one or more end users from a particular set of personality types; and match end users based on at least one end-user designated preference and on relationship rules of the personality types in the particular set of personality types, the rules being based on validated compatibilities between the personality types in the particular set of personality types, wherein the personality type of a user is determined from the particular set of personality types, and the determination of personality type from the particular set of personality types is based, at least in part, on: answers from the end users to questions provided by a central website including questions prompting end users for responses to pictures of human smiles, each response to a picture of a human smile including an end user assessment of whether the pictured smile is one of genuine or artificial, wherein the responses to questions prompting end users for responses to pictures of human smiles are used to infer hormonal levels of the respective end user and the determination of personality type from the particular set of personality types is further based on the inferred hormonal levels of the respective end user; word choices from the end users as found in the answers; and a frequency of word usage from the end users in the answers.
16. Software for providing a feature in a network environment, the software being embodied in a computer readable non-transitory medium and comprising computer code such that when executed by a processor in an electronic environment is operable to: interface with one or more end users via a central website; manage information related to one or more of the end users; determine a personality type for one or more end users from a particular set of personality types; and match end users based on at least one end-user designated preference and on relationship rules of the personality types in the particular set of personality types, the rules being based on validated compatibilities between the personality types in the particular set of personality types, wherein the personality type of a user is determined from the particular set of personality types, and the determination of personality type from the particular set of personality types is based, at least in part, on: answers from the end users to questions provided by a central website including questions prompting end users for responses to pictures of human smiles, each response to a picture of a human smile including an end user assessment of whether the pictured smile is one of genuine or artificial, wherein the responses to questions prompting end users for responses to pictures of human smiles are used to infer hormonal levels of the respective end user and the determination of personality type from the particular set of personality types is further based on the inferred hormonal levels of the respective end user; word choices from the end users as found in the answers; and a frequency of word usage from the end users in the answers. 19. The medium of claim 16 , wherein the central website is configured to facilitate an online dating operation such that one or more of the end users are capable of interacting in order to find candidates that match their interests, and wherein an administrator weights the profile and the personality determination within an algorithm that matches the end users.