How not to agree to clean public toilets when you accept any online terms and conditions

Thousands of people were caught in an online prank where they unknowingly agreed to clean public loos, because they didn't read the small-print. But then again, who does?
Read more: https://theconversation.com/how-not-to-agree-to-clean-public-toilets-when-you-accept-any-online-terms-and-conditions-81169?source=Snapzu