[peterbe]

That is genuinely impressive. Never seen anything like it before on any other website. Not sure it's needed now with the great autocomplete but it sure looks really great.

[chaosmachine]

I built something like it a few years ago:

http://drupalmodules.com/module-finder

No autocomplete, though.

[larsberg]

As did I, back in mid-2003. Of course, it was just an excuse to try out the then-new "Google Web APIs" :-)

http://lars.com/tools/IncGoogleSearch/inc-google-search.jpg