Provides an in-depth look at the emerging field of online research and the corresponding ethical dilemmas associated with it. Issues related to traditional research ethics such as autonomy or respect for persons, justice, and beneficence are extended into the virtual realm and such areas as subject selection and recruitment, informed consent, privacy, ownership of data, and research with minors, among many others are explored in the media and contexts of email surveys and interviews, synchronous chat, virtual ethnography, asynchronous discussion lists, and newsgroups.