In November, Britain’s new weather-themed Cool Cash lottery game was canceled after one day because too many players failed to understand the rules. Each card had a visible temperature and a temperature to be scratched off, and the purchaser would win if the scratched-off temperature was “lower” than the visible one. Officials said they had received “dozens” of complaints from players who could not understand why, for example, minus-5 is not a lower temperature than minus-6.
This article appears in Nov 28 – Dec 4, 2007.