John Mueller of Google shared a photo of what is called the Crayon Graph, which is located in the visitor center and is a handwritten piece of Google history that displays the volume of search queries and more from 1998. As John pointed out on Twitter, he said that there is a marker for "new index" / "dance" - look towards the right of the graph and you will see it.
The image above, you can click on to get a larger version if necessary.
This post is part of our daily Search Photo of the Day column, where we find fun and interesting photos related to the search industry and share them with our readers.