The DOI Foundation has unveiled the DOI-EB (EB stands for e-books) Initiative in the Book Expo America Show 2001, to, in their words:
Digital Object Identifiers and the Future of Online Content – Part I
The Internet is too rich. Even powerful and sophisticated search engines, such as Google, return a lot of trash, dead ends, and Error 404’s in response to the most well-defined query, Boolean operators and all.