The Internet of 20 years ago was nothing like the Internet of today. Because Internet speeds were so slow, graphics took forever to load.
That means everything was mostly text and not very interesting to look at. Click here to see the world's first webpage if you want an idea.
The lack of images meant that banner ads didn't exist at first, but it didn't take advertisers long to try them out.
On October 27, 1996, Wired Magazine started hotwired.com and it featured the Web's first banner ads. Just recently, a group of people got together to recreate one of those ads and the page it linked to.
You aren't going to believe how primitive this ad is.