Scott Fredrickson
- McDonald's has been reluctant to share many details about its planned new restaurant concept CosMc's.
- But new posts on social media reveal a few hints.
- McDonald's has said it will reveal more details during its investor's day conference next week.
We know just a bit more about CosMc's, McDonald's super-secret new restaurant concept based on an obscure McDonaldland character from the late '80s.