How Tetris Conquered the World, Block by Block

Twenty-five years ago, inside the bowels of the Soviet Academy of Sciences in Moscow, a young artificial intelligence researcher received his first desktop computer — the Soviet-built Elektronika 60, a copy of an American minicomputer called a PDP-11 — and began writing programs for it. But not numerical ones. He ended up creating one that would infest the dreams of those who played it, spurring addictions and even the suspicion that it was a Russian plot to divert the youth of America in a pointless exercise