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Today's researchers need to find quickly information that is usable, relevant, authoritative and verifiable. To meet that need, libraries must adapt our traditional strengths of acquiring, describing, and serving information to an environment that is not bound by time or physical place, the virtual library without walls. So how do we take the reference desk to cyberspace? We can start with what libraries are good at. Libraries are good at organizing information using controlled vocabularies and other standards tools to make materials accessible. Libraries evaluate materials carefully before selecting them and according to documented policy statements and guidelines. Libraries have both digital and analog collections which are regularly mined by highly skilled and trained subject, language and navigation experts. Finally, the communications options for libraries have been increasing in number and variety. Peopl