Licensing and copyright issues began to surface even more rapidly. Thus far almost all of the information that most libraries provided over their integrated systems was character-based. But the invention of the Web brought graphical-user interfaces to library catalogs and online resources. Publishers have made their documents accessible directly. The profusion of sources, search engines and websites has created confusion or complacency on the part of users.
Few users employ more than one search engine for research, so even less is retrieved.
Finally the quality, reliability, and authenticity of documents on the web require evaluation. Librarians have included the assessment of web and other resources to their information literacy curricula. Electronic archives New forms of electronic access to articles, not yet tried at URI, are worth monitoring. Once an article is selected by any patron it becomes freely available to all other patrons of the same library. The Michigan experiment was promising enough that Vanderbilt University signed up for a generalized subscription for 1998.