The Talis white paper Do libraries matter? The rise of Library 2.0 offers some interesting perspectives on the future of libraries. The authors propose a strategy for libraries to adjust to the emergence of Web 2.0, which incorporates some of those trends that have been discussed her lately, e.g. social bookmarking, the web as a platform for running applications, increasing democratization of the web, syndication (ie. pushing content rather than pulling audience), etc.