ofxartem

I could see it being useful when using grep or writing awk scripts. For the latter you usually have to carry around some state if you want to deduce the path to a desired leaf node.

I could also see it useful for just finding the index of a particular array entity.

What is wrong with that? It keeps minds focused on what should happen at work: work.

Meshnet has been doing this for some time: https://projectmeshnet.org/. There are also other groups of people fighting for the same thing in Germany: http://en.wikipedia.org/wiki/Freifunk

because you cannot host jQuery on your own site, you may or may not need jQuery.

edit: turns out, adblock didn't like logger.js. but the jquery and underscores are still refusing to be served. You may or may not need underscore as well.