[Nition]

Yeah, I use this feature constantly. I have e.g. wp to search wikipedia, im to search imdb, di to search dictionary.com.

For anyone else on Firefox, there's no need to go through a search engine or install anything. Just follow the instructions in that link. It'll change your life.

[grey_earthling]

I used to use smart keywords heavily. I outsourced the work of maintaining a useful keyword list to DuckDuckGo.