with so many host offering free wiki, free blog, blog tools etc... there's almost no reasons not to start your own website. you dont have to know any programming language like perl/php/phyton/java/etc... just register yourself and start publish your brain!
here's some free host to get you started...
- many other listed here: http://en.wikipedia.org/wiki/Comparison_of_wiki_farms
- blogger.com ; you're looking at one.
- many others listed here: http://en.wikipedia.org/wiki/Blog_hosting_service
only one thing no host offer (yet?) is using our own domain name with the free service...