OS X Yosemite Spotlight extensions

Question

Is it possible to extend spotlight\'s search feature to support additional commands?

For example, is it possible to define custom web search aliases, meaning I could typ

Answer 1

In the meantime there is Flashlight (The missing plugin system for Spotlight) http://flashlight.nateparrott.com/

This is expandable with Python scripts.

UPDATE Oct 2016 It seems that Flashlight is not longer maintained. The last update was more then a year ago. Check the repo here: https://github.com/nate-parrott/Flashlight

UPDATE Mar 2017 There is a fork which is still maintained: github.com/w0lfschild/Flashlight – Thanks @amoebe