The rabbi addresses the importance of talking to the dead. His premise is that we want to, need to, talk to the dead. It is an important, not a maudlin, thing to do. The rabbi suggests that we have four things to say to them: I'm sorry. Thank you. I forgive you. I love you. This is what makes us human, over time, over distance.
Sherry Turkle in Alone Together: Why we expect more from technology and less from each other