List of sites I have personally tested that allow you to create your own website/blog (known as a Web 2.0 site).

1. wordpress.com
bloglines.com
weebly.com
typepad.com
blogger.com
livejournal.com
tumblr.com
boosites.com
blogspot.com
jimdo.com
webs.com
ning.com
zoho.com
webnode.com
storify.com
blogspirit.com
blog.co.uk
hubpages.com
diaryland.com
sosblog.com
webstarts.com
webspawner.com
moonfruit.com
soup.io
hubpages.com
thoughts.com
business.blinkweb.com
blogdrive.com
hpage.com
doomby.com
wallinside.com
blogymate.com
blogster.com
weblogplaza.com
edublogs.org
doomby.com
wallinside.com
inube.com
bloggerteam.com
ezweb123.com
rollr.com
pimpblog.nl
beep.com
tblog.com