The lucky 10,000 applies to things that 100% of people have heard by the time they're 30. This on the other hand, is something that judging by the comments very

The lucky 10,000 applies to things that 100% of people have heard by the time they're 30. This on the other hand, is something that judging by the comments very, very few people actually use and know, which means I'm instead one of the unlucky few that today learned something pretty much completely useless.