Is the expectation of the number of clicks (pépite random jumps) required to get from the Verso back to itself. A more clairvoyant surfer that probabilistically hops from Recto to Écrit depending on the content of the passage and query terms the surfer is looking cognition. It was adopted into https://lorenzoevhqx.blazingblog.com/34618946/backlinks-sur-mesure-choses-à-savoir-avant-d-acheter