Google released the Google Quick Search Box or QSB for short. It is in most aspects the same as products like
Launchy for the PC and ofcourse,
Quicksilver for the Apple.
You open it by pressing CTRL-Space at the same time, which is nice- it didnt' hyjack my launchy combination.
One of the nicer features is that it is supposed to be a learning app. It would learn from my past interactions so it would give you results as quickly as possible
As you use the Google Quick Search Box more, it will learn which results you are likely to want. The goal here is that we get you to what you're looking for as quickly as possible. In the above example, if you chose Google Calendar, the next time you search for "cal", Google QSB will reorder the results so that you don't have to arrow down to your desired choice. Instead, you can just type "cal" and press enter.
Scripting is available, but only for the Mac as I understand it. Or olso for Windows users, but just not that Twitter plugin they mention. Which would be abit odd I suppose.
You do need to install the Google Desktop, as it's part of it.
Here it is