What is the definition of Prepaid Computing?

Prepaid computing? Imagine you're a coffee shop-goer who orders a 'future latte' - you pay for the drink before it's even brewed. In this case, your coffee is prepaid but you're not quite sure if it'll get hot enough to serve. It's like getting a free upgrade on your Wi-Fi but with a side of existential dread.

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Example sentence: "After 3 hours of waiting, I opted for prepaid computing - my coffee was already brewing in the microwave, and I'm questioning if I even need it."