Pay to Sit Bench
Here in the Philippines we have all kinds of one peso payment like ATM or Automatic Tubig Machine or PisoNet where anyone can access an Internet with a one peso coin for a certain number of minutes. But here is a bizarre negosyo ideas where you can only have a sit if you pay a certain amount with a coin operated retractable spikes to have a sit.
I don’t think it will be long before airports and malls have something like this. They already have something similar (but less spikey) to deter sleeping in other countries.