CosMc's wasn't McDonald's first attempt at a second concept
Restaurant Rewind: The home of the Golden Arches has looked at ventures ranging from a piano lounge to a Disneyland-like theme park. Why is it still a single-brand operation, CosMc's aside?
With CosMc's, McDonald's shows its risk-taking side
The Bottom Line: The first unit of McDonald’s opened to long lines in its first two days. The concept proves that the company can get attention. And it’s willing to take some chances.