Communicating With the Dead

For at least the past century and a half the dead have been trying to prove their survival, and each new person who graduates is eager to send back word that all is well. So why is it so difficult for the dead to communicate with the living? What are all the ways they are sending us signs that they have survived and are fine? And how can we best communicate with those we love who have gone on ahead of us? There are some wonderful answers!