What is the definition of Payable Computing?

"Payable computing" is a term that humorously describes the situation where our digital wallets keep piling up bills on us without our consent, like a never-ending, slightly creepy tax audit by a computer. Imagine this:

---

"Sure, we paid for the Wi-Fi password with our credit card, but now we're being asked to pay a monthly 'data usage tax' for streaming our favorite Netflix series. It's like getting a free Netflix subscription, but instead of a co-pay slideroad, you get a bill for every second you watch."