Anecdotally, I dreamed once of living in a hut on a beach, wearing a loincloth. And my wristwatch communications device that projected holograms in 3D color abo

Anecdotally, I dreamed once of living in a hut on a beach, wearing a loincloth. And my wristwatch communications device that projected holograms in 3D color about any subject I wanted to know about. Some mashup of ever-diminishing resources e.g. energy and materials, with a world where technology reduces the size and cost of certain devices to near zero. A short story in there somewhere.