It shows how you can make an enormous archive of public scientific data[1] much easier to use for everyone, without having to copy all the data, which would be prohibitively expensive at this scale.
I also made some sweet gifs and images of the Earth from space from the raw data so check those out!
[1] In this case satellite data, but this could work for data from many other fields - my background is original nuclear fusion plasma physics then oceanography.