Does the Oldton gene - the inexplicable urge to disappear - lie dormant in my son?

Is he haunted in some way by his grandpa? I doubt it. It is me who sees the ghost. I have conjured him up with my cards.

And when you lay your pack out on the table, what ghosts will you see?

One day, not too far from now, the combination of artificial intelligence and robotics will allow us all to act on the world at a distance, like ghosts.

Press a button and your digital animus will move a cup across a ouija board in Tokyo. Text message to a short form number and an eerie tune will waft through your grandchild's bedroom at midnight.