long tail
C1CEFR level
65/100Rarity: rare
TechnicalRegister
The large body of niche products that individually sell little but collectively rival the bestsellers.
The streaming platform made its margin on the long tail, monetising thousands of obscure titles no shop would ever stock.
Rarity runs from 0 (a word everyone knows) to 100 (almost never seen outside specialist or literary writing). Level is the word's real difficulty on the CEFR scale, from A1 to C2.
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