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How To Win Friends & Caffeinate People
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The Oromo people would customarily plant a coffee tree on the graves of powerful sorcerers. They believed that the first coffee bush sprang up from the tears that the god of heaven shed over the corpse of a dead sorcerer.
My go-to for larger gatherings (>5 guests) is French press with supermarket beans. They always love it, so no need to use anything more expensive than that.