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‘Geography Is Four-Dimensional’ from Daring Fireball RSS feed.
‘Geography Is Four-Dimensional’
Derek Sivers:
When someone speaks of a place, you have to ask, “When?” Geography is four-dimensional. You can’t know a place — only a place as it was at a time. Where is bound to when. Unless you are in a place right now, you can only speak of it in past-tense.