"Daniel P. B. Smith" wrote

The "law of recycling" states that the value per pound of a mixture of recycled material is equal to the value per pound of the least valuable material in the mixture. To at least a first approximation, the value of Wikipedia is set by the value of the least accurate material in Wikipedia.

Really? That might mean the value oscillates wildly, or on the other hand is steady at zero. Some problem with this: in fact the value has gradually increased, month-on-month. Naturally "value" here hides some issues. Pragmatically speaking, the criterion doesn't work, for reference material.

Charles

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