These days, everyone knows about content marketing in some form. Whether you’re a business releasing blog posts and videos, or a consumer downloading ebooks and clicking on sponsored posts, there’s no denying that content marketing is ubiquitous in the modern day.

But, you might be surprised to learn this isn’t a new phenomenon. Content marketing has been around long before the social media, blogs, or even the internet.

It would be hard to pin down exactly when someone got the idea to promote something through content in some form, but Uberflip suggests content marketing’s seeds go all the way back to cave paintings in their Back to the Future themed infographic.

Let’s hop in the Delorean and check out all the landmarks and milestones that have shaped our modern content obsessed culture with A Visual History of Content Marketing: