This is no small matter for individuals who are in need of living connections with family or friends or loved ones in order that they may be given a window into the activities and lively thoughts as they occur in real time separate to them.
There are evil forces which conspire to 'unearth' souls quite literally - for the purpose of gaining the world as their own.
The interaction between the spiritual worlds and the material world is significant to both - and the hierarchies who populate both places have a mutually beneficial synergy of enterprise through their ongoing relationships: there is much learning and experiencing from one to another. Future circumstances often pivot upon these interactions also.