As with any other thing you try to encourage, it's not going to work without consensus or decision power. If you have either, it should be easy to do so. One

As with any other thing you try to encourage, it's not going to work without consensus or decision power. If you have either, it should be easy to do so. One easy way to push people in the right direction without much effort though is to allow people to work remotely more. Suddenly, sharing something interesting or weird that happened to them while resolving something gets shared in writing, their aha moment gets told on the open ticket instead of around the watercooler etc.