Over 22,000 users unwittingly agreed to clean public toilets when they connected to free WiFi hotspots at various UK establishments. Purple WiFi hotspot provider Purple ran the experiment for two weeks and had set up a prize for anyone who noticed the hidden clauses in the terms and conditions. Purple said it does not plan to enforce any of the clauses, as this was only a media stunt to announce that they have become the first UK-based WiFi provider to comply with the EU’s new General Data Protection Regulation.
Source: https://www.bleepingcomputer.com/news/technology/22-000-people-agree-to-clean-toilets-because-nobody-reads-terms-and-conditions/