Unfortunate title, since it's already dragging this into flamey territory... Any good information on the actual search engine? I'd never heard of it, it's bef

Unfortunate title, since it's already dragging this into flamey territory... Any good information on the actual search engine? I'd never heard of it, it's before my time. TFA has about two paragraphs about it before bloviating into a philosophical discourse on the effect of search technology on society.