Web 2.0

The ability to easily update information and keep up with the constantly changing technology is, to me, one of the most important aspects of web 2.0. This also leads to feedback from patrons and users and helps libraries see where their needs are. In "To better bibliographic services", John J. Reimer mentions the Open WorldCat project as does Chip Nilges in "To more powerful ways to cooperate". This seems to be a good project in which to experiment with the different aspects of web 2.0 and whether it will be beneficial to libraries. Nilges says, "Our next major effort in this area will be the release, this spring, of a search box that will allow anyone with a Web browser to search all of WorldCat, no authentication required." I just wonder if no authentication is required, will this lead to the eradication of the library?