Rest and Reflect

http://www.zamzar.com/ — file format conversion! magnificent!
http://chacha.com/ — search with a real-life guide
http://www.qunu.com/ — same idea, for tech advice only
http://meebo.com/ — web-based IM
http://www.doodle.ch/ — when can you all meet? use this electronic whiteboard
http://sphere.com/ — blog search
http://www.facebook.com/ — social networking
http://grou.ps/ — groups
http://writeboard.com/ — collaborative document editing (like MoonEdit)
http://writely.blogspot.com/ — word processor (owned by Google)
http://zohowriter.com — collaborative word processor
http://thumbstacks.com/ — presentation creator
http://vyew.com/ — web conferencing (show others your screen)
http://gliffy.com/ — Visio on the web (draw diagrams/flow-charts)
http://box.net/ — file storage
http://www.livejournal.com/ — interactive blogging
http://www.clipmarks.com/ — social bookmarking
http://www.governmententerprise.com/news/showArticle.jhtml?articleId=192300492&pgno=1&queryText=
http://notemesh.com/notemesh.php?a=home — collaborate to make notes for school
http://www.techcrunch.com/2006/01/31/the-online-storage-gang/ — round-up of best online storage
http://javimoya.com/blog/youtube_en.php or http://www.techcrunch.com/get-youtube-movie/ — download youtube videos
http://googlesystem.blogspot.com/2006/04/download-google-videos-as-avi-files.html — download Google videos