When Pokémon GO first launched almost two years ago, people downloaded the game in droves. It was arguably the first game whose gameplay relied heavily on interacting with the real world, enabling players to explore new places and capturing Pokémon through an AR lens. However, for all its emphasis on getting players off the couch and exploring the world together, Pokémon GO never truly supported any way for players to interact with one another — no kind of in-game chat exists, and trading, one of the most central parts in the original game series, has never received more that a passing hint or mention from Niantic.

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