First mention of the Dominion.
Make-Up Designer Michael Westmore based the facial art of the Dosi on those of the tribes of Borneo and the South Seas.
Actor Armin Shimerman is extremely proud of the fact that the first Alpha Quadrant race to make contact with the Dominion are the Ferengi.
This episode marks the first time we see the game of Tongo being played.
Referenced Rules of Acquisition: #21 "Never place friendship above profit", #22 "A wise man can hear profit in the wind", #33 "It never hurts to suck up to the boss", #48 "The bigger the smile, the sharper the knife", #59 "Free advice is seldom cheap", #62 "The riskier the road, the greater the profit", and #103 "Sleep can interfere with profit".