Actors who hung out there gossiping about other actors discovered that Broadway shows that lasted, say one hundred days, had a future life expectancy of a hundred more. For those that lasted two hundred days, two hundred more. The heuristic became known as the Lindy Effect.
Let me warn the reader: while the Lindy effect is one of the most useful, robust, and universal heuristics I know
Portland cement is the most common type of cement in general use around the world as a basic ingredient of concrete, mortar, stucco, and non-speciality grout. It was developed from other types of hydraulic lime in England in the mid 19th century, and usually originates from limestone. It is a fine powder, produced by heating limestone and clay minerals in a kiln to form clinker, grinding the clinker, and adding small amounts of other materials.
residents in working-class neighborhoods were more likely to receive property tax bills that assumed their homes were worth more than their true market value, the Tribune found.
Meanwhile, many living in the county’s wealthier and mostly white communities — including Winnetka, Glencoe, Lakeview and the Gold Coast — caught a break because property taxes weren’t based on the full value of their homes.