Coca-Cola (KO -1.08%) was founded in the late 1800s, while McDonald's (MCD 0.51%) traces its roots back to 1940. They have become two of the most well-known and popular consumer goods companies. Past success doesn't provide any guarantees about the future, of course. Businesses need to evolve to remain relevant. With that, which company -- Coca-Cola or McDonald's -- has positioned itself better for the future and makes a better investment? Coca-ColaMany people know about Coca-Cola's sodas, including its nam ...