Social Bookmarking (Definition: A way to save, share and organize your personal bookmark collection online and share them with others, while allowing you to tag your bookmarks with your own subject headings, sometimes called "folksonomy". Using tags, you can find bookmarks saved by others using the same tag.)
Blogging (Definition: Shortened from "web log," bloggers combine text, images, links, video, audio, etc. in an online personal diary/commentary format, usually arranged in chronological order, with the ability for blog readers to comment on the posts. An example of microblogging is Twitter.)
RSS Feed Aggregators (Definition: An RSS aggregator collects syndicated feeds from various online sources, such as blogs, newspapers, podcasts, etc., in a single location for easy viewing.)
Social Networking for Librarians (Definition: A social network is an online community of members sharing a common interest who communicate mainly through online methods.)
Wikis (Definition: An online collaboration tool where members of a class or community can edit webpages to share information, links, photos, text, etc., with other members of the community.)
Podcasting (Definition: Audio files created by a person or class as a reflection of their work or with a message for the community. Usually in MP3 format, these can be downloaded to audio software such as iTunes and loaded onto iPods or MP3 players.)
Audacity (free download) - audio recording program