You have to also be able to deduce how much of the other agent's information is shared with you. If you and them got your posteriors by reading the same blogs and watching the same TV shows, then this is very different from the case when you reached the same conclusion from completely different channels.
If you and them got your posteriors by reading the same blogs and watching the same TV shows
Somewhere in there is a joke about the consequences of a sedentary lifestyle.
This thread is for the discussion of Less Wrong topics that have not appeared in recent posts. If a discussion gets unwieldy, celebrate by turning it into a top-level post.