Due to time constraints we could not go beyond the defaults that we currently have. We have a bug open to allow people to select an alternative search engine: https://bugzilla.mozilla.org/show_bug.cgi?id=1318359

+1

Seems like Duck Duck Go would fit well with what seems to be your mission with this project.

I only see it supporting yahoo. I didn't try very hard but in the settings there is no way to change it from yahoo, which is really frustrating. Did I overlook something?