Kelly has also written a book about it: "What Technology Wants" [1] and blogs at http://kk.org/ where the 'Technium' section was the basis for the aforementioned book.
The parsed source is outdated and probably will be forever because it's crowd-sourced and can't keep up with changing exhibitions and lendings of paintings, which is a common thing.
The use case where I check my phone to find a painting or an artist near me also seems far fetched. A better scenario would be to have a map with museums near me and up-to-date information what they currently exhibit. You would need better sources for that.
On the technical side it's quite slow at the moment but the blown up thumbnails (where the Athenaeum also had thumbnails for fair use reasons but in a better quality) were not nice. I would keep them in their original ratio.
I assume that this was probably more an excercise to test-drive some new tech.
One suggestion: A quick check, if Cancel is really what the user wanted or, if the site gets reloaded or the user leaves it by accidentally hitting a bookmark display a notification, that he/she might want to save first.
I just finished the book three days ago, really liked it, and thought, that there must be a site to collect programmers checklists for different tasks to have a similar collection as the aviation experts. Turns out, there is not...
It also looks like a standard answer with some non-standard text in between (we are swarmed, nice idea, here have a picture).
But I really like his letter. He is ready to bootstrap his idea of cutting open a really large human and putting him in a fiberglass box. He should sue Gunther von Hagens and his Body Worlds.