WordPress is a free and open source blogging tool and a content management system (CMS) based on PHP and MySQL.WordPress is the most popular blogging system in use on the Web,at more than 60 million websites.
Few of the new features are:
1) Explore your uploads in a beautiful, endless grid. A new details preview makes viewing and editing any amount of media in sequence a snap.
2) Paste in a YouTube URL on a new line, and watch it magically become an embedded video.
3) Writing and editing is smoother and more immersive with an editor that expands to fit your content as you write.
4) Many small enhancements and fixing of bugs.
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