This is basically the concept of Dark UI Patterns. Great video on some examples here: https://www.youtube.com/watch?v=1KVyFio8gw4 https://www.youtube.com/watch?

This is basically the concept of Dark UI Patterns. Great video on some examples here: https://www.youtube.com/watch?v=1KVyFio8gw4 https://www.youtube.com/watch?v=1KVyFio8gw4 I find the Ryan Air example particularly interesting.