Librarians, information technology specialists, and others will find much to enjoy on this excellent collaborative blog created by the Library of Congress. Called "The Signal," it covers "exciting new developments that have an impact on digital preservation and access." There are 12 experts who contribute posts to the blog on a regular basis and there are well over 400 posts to browse through here. First-time visitors can look through the Categories area, which collects posts into themes such as Digital Content, Outreach and Events, and Tools and Infrastructure. Recent posts include "Hardware Matters," "What Do Researchers Want From Institutions that Preserve Digital Content?" and "Reality Check: What Most People Actually Do with Their Personal Digital Archives." Users are also encouraged to add their own comments and thoughts on each post or suggest materials for possible coverage by the site. [KMG]