We have a migrating chaos pile. It’s usual life-cycle is that it will get moved and tidied into a bigger pile until it reaches its final resting place on top of my record-player. The next time I try to play vinyl, I will then separate it into separate chaos piles for individual members of the family to sort. These will be ignored for around 24 hours, then re-compiled into a master chaos pile, which will once more begin its noble migration around the kitchen.