Last week, I brought up a question regarding some mysterious billboards that had popped up around Battle Creek and Kalamazoo. Now, it seems the mystery has been solved!

This week, several of the billboards that had previously contained red images, initially thought to be letters, were replaced by a collage of the previous images to show one phrase:

Out There Thinking

It appears that this was an advertising campaign by the company that owns these billboards, Adams Outdoor Advertising. I will say, I'm impressed; it certainly got me thinking when I began seeing these weird images pop up!

Thanks to all of you who sent in images, and tips about billboard locations!