Mac OS X only: Google's Quick Search Box—brought to us by the developer of the much beloved Quicksilver—has officially left beta, meaning the search-and-launch tool is ready for full public consumption.
While this release still doesn't feature the mind-blowing capacity of its forefather, Quicksilver, it's a stable release full of potential. The Official Google for Mac Blog walks you through a few of QSB's finer points, including its new integration with Twitter.
For a more complete rundown of what exactly QSB is, check out our QSB overview. If you've been using QSB since its beta release, let's hear how you've been liking it—including how you feel it stacks up to Quicksilver—in the comments. Google QSB is a free download, Mac OS X and Windows only.