@Andrew It answers questions, so ya gotta end it with a question mark. It checks wiki.pnut.io first, then wikipedia. It's very simple - no fuzziness; only direct look-ups.
You can add info to wiki.pnut.io by telling it something.
@Andrew There's also @wolfram, which only talks in simple sentences, but understands a subset of everything WolframAlpha can (it's limited by what it can display in text, so it'll give us back "didn't understand" if it can't answer properly).