{"compose":"Join with '+' — e.g. ?view=rare+bionic. Up to four stages.","predicates":[{"description":"The words, as written.","id":"plain","timed":false},{"description":"Fixation prefixes bolded — the eye lands, the rest is inferred.","id":"bionic","timed":false},{"description":"One chunk at a time, in place, with a dwell computed per word.","id":"rsvp","timed":true},{"description":"A teleprompter. The text moves; your eyes do not.","id":"crawl","timed":true},{"description":"Not the words — the shape. One bar per sentence, by length.","id":"cadence","timed":false},{"description":"Reading ease per sentence. The hard ones are the long bars.","id":"grade","timed":false},{"description":"Weighted by rarity within the document. The once-only words burn.","id":"hapax","timed":false},{"description":"Weighted by rarity in English at large, not in this document.","id":"rare","timed":false},{"description":"Words the AFINN lexicon rates. Vocabulary, not tone — no negation, no irony.","id":"sentiment","timed":false},{"description":"Words the NRC lexicon files under an emotion. One colour each.","id":"emotion","timed":false},{"description":"Every word, alphabetised, with its neighbours. A book as an index.","id":"concordance","timed":false},{"description":"Last sentence first. Arguments read strangely from the conclusion.","id":"reverse","timed":false}]}