How casinos get people to lose more money

Everything about casino design, from curving architecture, to ergonomic seat design, to addictive slot machine algorithms, has been tested and refined to extract as much of a patron's net worth as possible. From: Brad Plumer's article for Vox, "Slot-machine science":

One surprising example are the curving hallways around the property. Many casinos try to avoid making you ever have to turn at a 90° angle. As Natasha Dow Schüll explains in her fascinating book, Addiction By Design: Machine Gambling in Las Vegas, a right-angle turn forces people to call upon the decision-making parts of their brain — to stop and reflect on what they're doing. "Casinos don't want that," Schüll told me. "They want to curve you gently to where they want you to go."