What would you tell someone who doesn't exist yet? About this year, this city, this weird era. Seal them. Store them. Trust time.
A zine about fire escapes. Bodega cats. The fonts on street signs. The beauty is the niche: the audience is you first.
Pick your radius. Walk it weekly. Write what you see, hear, smell. Seasonal change becomes visible over months.
PenPalWorld or Slowly (app). A real letter, or a simulated one. The constraint of physical distance changes everything.