New translation of Babylonian cuneiform texts on divination: “features that appeared on the right side were considered to be positive and on the left, to be negative, though what constituted right and left differed in each region of Babylonia”

Link. They believed that it was possible to avert predicted doom – so it was a perfect racket. (I suspect some knew that.)

“Most of the more than 100,000 Mesopotamian tablets in the British Museum’s collection remain undeciphered”