I spotted this at the bottom of a Google Search Results page today and had to take a look.
Among the search features, including the usual ones, are:
- words almost, but not quite entirely unlike:
- rhyming slang for:
- this exact word or phrase, whose sum of unicode code points is a mersenne prime:
- subtext or innuendo for:
- the words , but not , unless they contain either the intersection of phrases , , and or a gerund in which case the disjunction of and will also be taken into account (on Tuesdays).