We have four different answers below:
But you can also scroll down and read them all! 
You type something in a form and hit "post this"; in the next second it's on your website.
Your posts are automatically arranged by date and category into a skin/theme that you can chose (and customize if you wish to do so).
Readers of your website can then leave comments which will appear below your post. They can also browse through the archives and use advanced search capabilities.
Unlike online blog tools like blogger.com, b2evolution runs on your very own domain and website. You can install it as an extension to a website you already own.
Or, if you don't have your own website yet, you may get one from a webhosting company. Webhosts in our selection will allow you to easily choose your own domain name, set up your website and automatically install b2evolution so that you can start blogging on your own site in a matter of minutes. They will also offer phone support if needed, most often 24x7!
b2evolution is an advanced weblog tool, i-e software allowing you to run your own blogs, newsfeeds or even photo streams.
It does basically the same thing blogger or typepad does, but with two main differences:
All the features you can expect are included:
As you will find out, b2evolution goes beyond most other blog tools. Check out the features! b2evolution is the tool for bloggers who want more!
You could compare b2evolution to Movable Type, except b2evo runs on the very common PHP/mySQL platform, which allows it to run easily on almost any web hosting service!
b2evolution also generates web pages dynamically from the MySQL database, so no clumsy 'rebuilding' is involved. It also means faster search/display capabilities, and the ability to serve your posts/news in different 'templates' or 'skins' without any hassle.
b2evo is probably the most comprehensive blog engine you could find, with an unique set of features including:
Check out the full features page »
b2evolution is a medium scale CMS centered around the Blog concept, fully featured with multiple blogs, content/presentation separation, full user management, full internationalization (i18n), workflow management... and extending towards features normally provided by Wikis, Trackers or hierarchy driven CMSes.
We believe the blog concept is one of the most effective forms of CMS.
With b2evolution, we provide the technology you need to invent new applications of blogs and solve common problems pertaining to information sharing and collaborative work.
We're not done with this yet, but you may want to start here: Main Use Cases.
