By virtue of its cultural immediacy, ages like milk*. Read immediately.
BEST BEFORE 05/11/2020
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*Conversely, it might just become something else entirely. The references that no longer hold up at times comes off as absurd by nature - maybe it's worth it to consider Portable Altamont a live, decomposing dext; a marker of mass pop decay (further compliments the book's recurring end note eulogies to the celebrity of 90210's Luke Perry). Once-topical SNL sketches shall peak, and then devolve into gorgeously absurd nonsense.