University of Waterloo (Canada) computer game design researcher Kevin Harrigan, whose research has made headlines around the world, recently testified before the New Hampshire Gambling Study Commission to explain the software and design features of slot machines. Through Canada’s Freedom of Information Act, Dr. Harrigan obtained slot machine design documents, called PAR Sheets. Slot machine manufacturers commissioned an army of lawyers but failed to block Dr. Harrigan’s access to this information. Without losses disguised as wins and frequent near win displays, slot machines would not be profitable.
“New York City Launches Sweeping Investigation Into Polymarket and Kalshi” | The Wall Street Journal
August 12, 2026
By Kevin T. Dugan, Katherine Long “The New York City Council is investigating four prediction markets for alleged deceptive marketing