“...a loosely defined model for a modernized form of library service that reflects a transition within the library world in the way that services are delivered to users. This includes online services such as the use of OPAC systems and an increased flow of information from the user back to the library.”
A blog (a portmanteau of “web log”) is a website where entries are written in chronological order and commonly displayed in reverse chronological order. “Blog” can also be used as a verb, meaning to maintain or add content to a blog.
Micro-blogging is a form of blogging that allows users to write brief text updates (usually less than 200 characters) and publish them … These messages can be submitted by a variety of means, including text messaging, instant messaging, email, MP3 or the web.
RSS is a family of Web feed formats used to publish frequently updated content such as blog entries, news headlines or podcasts … RSS makes it possible for people to keep up with their favourite web sites in an automated manner that's easier than checking them manually.
A tag is a (relevant) keyword or term associated with or assigned to a piece of information (e.g. a picture, article, or video clip), thus describing the item and enabling keyword-based classification of information
Social bookmarking is a way for internet users to store, classify, share and search Internet bookmarks. Other users with similar interests can view the links by topic, category, tags, or even randomly.