Burks Oakley and Ray Schroeder: Top 20 Technologies

I received the list below through a MnSCU list-serve which was from SloadCWiki.
Burks Oakley and Ray Schroeder created a list of Top 20 Technologies.
This is a great compilation of sites! I've added a brief description of the functions/services each site provides.

• Blogger http://blogger.com/
  blog (digital diary) site
• PBWiki http://pbwiki.com/
  wiki (online collaborative webpage that groups can edit, similar to WikiPedia)
• Podomatic http://www.podomatic.com/
  podcasts (user-created "TV/Radio station" in which users create and delivery their own online video and audio programming)
• Flickr http://www.flickr.com/
  photo-sharing site
• Google Docs http://docs.google.com/
  collaborative word-processing and spreadsheets
• Google Calendar http://www.google.com/calendar/
  collaborative calendar allowing users to share schedule and events with others
• GooglePages http://googlepages.com/
  web page creation and hosting using built-in WYSIWYG editor
• Del.icio.us http://del.icio.us/
  public bookmarking of webpages; tagging of pages to quickly find similar content
• MySpace http://www.myspace.com/
  social-networking software allowing personal profiles and "about me" information
• Citizendium http://www.citizendium.org/
  online and "reliable" encyclopedia using expert editors to write and review content
• YouTube http://www.youtube.com/
  free video clip hosting service encouraging users to post original videos plus video-clip (webcam) feedback to other users
• Gliffy http://gliffy.com/
  create flowcharts, process diagrams, and room layout diagrams (similar to Microsoft Visio)
• Skype http://www.skype.com/
  Voice Over Internet Protocols (VOIP) - allows computer-to-computer phone calls for free, or computer to land-line and "voice-conferencing" (up to 10 lines) for modest expense ($29.99 per year for unlimited calling; additional SkypeIn number for $60 per year allows a "phone number" for land-lines to call your computer/voicemail)
• Kartoo http://www.kartoo.com/
  Visual-based web search engine, showing results in spatial diagrams with interconnecting web-lines
• Elluminate vRoom http://www.elluminate.com/vroom/
  Web conferencing/collaboration with up to 3 individuals (free)
• Second Life http://www.secondlife.com/
  Virtual world in which you create a character and interact with other characters
• Odeo http://www.odeo.com/
  Audio podcast hosting site allowing users to post music, lectures, and audio shows.
• Digg http://www.digg.com/
  Dynamic news site. Stories "rise in the ranks" depending upon how many users "digg" that story.
• Xdrive http://www.xdrive.com/
  online backup site to securely store up to 5GB of content (photos, video, music, documents)
• zoho http://zoho.com/
  online-based office suite (similar to Microsoft Office / Open Office) which also includes tools for Wiki, project planning, and web conferencing