Agreed. I don't think any of these things are substitutes for each other. A book about the arctic is not an alternative to a visit. It's a substitute for anoth

Agreed. I don't think any of these things are substitutes for each other. A book about the arctic is not an alternative to a visit. It's a substitute for another book, maybe. The main way VFR competes with other stuff is competition for time, in the sense that TV, social media and such are.