The stunt was timed to coincide with National Fast-Food Day in the US yesterday ... disguised in cups bearing redesigns of famous fastfood logos. The McDonald's golden arches become golden ...

And if swearing off fast food wasn’t hard enough, those colorful red logos might make it even harder to ignore. The average human can see ten million colors, but red is special. Turns out ...

McDonald's. Arby's. Wendy's. Burger King. Jack in the Box. In-N-Out and more all use the color red heavily in their logos, why? The answer goes back thousands of years. Following is a transcript ...

The going popular ... logos and around their stores because it revs up people's appetites, making them hungry, which therefore makes them more likely to enter the store and then buy more food ...