How It Started … How It’s Going
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What symbol was sketched in about ten minutes in 1963 by a Worcester, Massachusetts advertising man for an insurance company's employee morale campaign, earning him a one-time fee of $45 and no royalties, since nobody thought to trademark it before it slipped into the public domain? (Two words: 6, 4 letters)
Ten clues, one 10-letter answer built one row at a time. Play today’s Origins Quiz.