Casinos

A visitor to the Shell Club, a sports and social venue, plays a slot machine near the Shell Oil refinery in Geelong, Australia.

Even when you’re losing, slot machines boost your morale — and casino profits

Technology

This isn’t your granddad’s gambling industry: As casinos spread and habits change, slot machines have become a massive part of casino profits — as much as 85 percent. They’re doing so partly by giving gamblers the illusion of winning, even when they’re falling behind.

The World

The economic downturn hits the gambling industry and Las Vegas casinos