This video demonstrates how geocache growth has expanded in Silicon Valley since the inception of the sport in 2000. Each red square represents the creation of a geocache. They appear in the order they were placed. I used a data file generated by GSAK. It includes all geocaches I’ve hidden and all I’ve found, and nearly all active caches as of about 12/1/2018. You can tell by the cluster around Highways 280 and 85 that I live near there. Archived caches on the eastern half of the valley did not get included unless I found them, which is why the red is denser on the western side near me. A more accurate record would show the eastern half equally heavily populated.

The music is Chicken Chowder by the Ragtime Skedaddlers.