Lindy effect

Etymology
In reference to delicatessen in New York, where comedians would meet to discuss showbusiness. This was discussed in "Lindy's Law", a 1964 article by in The New Republic. Goldman described a folkloric belief that the amount of material comedians have is constant, and therefore the frequency of output predicts how long their series will last.

Proper noun

 * 1) The hypothesized phenomenon that the future life expectancy of certain nonperishable things (such as a technology or an idea) is proportional to their current age, so that every additional period of survival implies a longer remaining life expectancy.