These are some services on the Web that you can use to start a weblog right away - they will then be hosted by the service-provider:
The most famous one: "Blogger" (http://www.blogger.com). (This is the one I showed screenshots of in my presentation) You can either publish to your own webspace if you have one or you can get a free place for your weblog on "BlogSpot".
The University of Harvard has a Weblog-project. I have written about it in German at http://www.roell.net/weblog/archiv/2003/02/26/harvard_bloggt.shtml and you can try translating it by clicking the flags at the top right hand corner of the screen or you can read an English article about it at http://news.com.com/2102-1082-985714.html
Adding to my last slide about "Why your organisation should blog", here are some more arguments you can use to convince senior management: http://www.roell.net/weblog/archiv/2003/05/15/nutzenversprechen_fuer_weblogs_im_wissensmanegement.shtml
My Weblog: http://www.roell.net/weblog