From the [Flock] website
Our code couldn’t wait any longer to be free!
But!
This preview ain’t for the faint of heart! If you’re the bleeding-edge type and don’t mind a few scrapes and busted knees from time to time, feel free to give it a whirl.
[Flock] is designed to be a ‘social’ browser with integration into blogging tools (like [wordpress]) and [Flickr]