One of the nifty new features in WordPress 3.1 is the Admin Bar, which looks like this:
There have been plugins that do something similar in the past, and something quite similar has been a feature of the hosted wordpress.com service for a while, but it’s nice to see it as a core feature of the downloadable version.
That menu bar (which can be extended by plugins, in the usual pluggable WordPress way) appears on the public facing part of your site when you’re logged in. It gives quick access to commonly used functions such as viewing your Dashboard and adding a new post or page. It also has a very handy link to give you a short url for the currently displayed post or page, which uses the WordPress-run wp.me service.
This is the kind of thing that makes WordPress easier to use, and is definitely a Good Thing.