The Rhizome TextBase is an online archive of the content that has appeared on Rhizome’s mailing lists over the last 10 years. Posts range from conversations among members regarding critical issues for the organization itself and the field of new media at large to event announcements, job opportunities and funding prospects. One of the most prominent lists of its kind in North America, its contents include texts and commentary by media critics, artists, and historians and are searchable by keywords, such as "censorship," "artificial life," "surveillance," or "posthuman."

TextBase