I work on WebGL in Chrome and I am curious why you have hardware acceleration turned off.

When activated after a while a few tabs would change their background (sometimes the entire page) to show the content of other tabs.

Interesting! If you can still reproduce this would you mind filing a bug at http://crbug.com/new, and pasting the contents of your about:gpu page as a comment?

Agree! They could have cached way more of this. A pre-rendered video would have had the same effect. A fun and impressive thing to build for sure, but its value isn't worth its complexity.

You can’t interact with a video.

Wow, thanks for this comment. It hadn't occurred to me that you could interact with it. Neat!

I wonder if I'm just odd, or if people not realizing it's interactive is widespread.

To be pedantic you can. They would have to ship the locations along side the video.

Of course part of the art is that it is real time (ish). That may be harder to do with video. (But I guess it could be a live stream)

I just don't think the interaction is particularly valuable. I looked at the globe and hovered over one PR. Maybe I'm just not curious enough!

AFAICT, hardware acceleration is enabled here (even tried to force-enable it in FF, on Linux), and the CPU load is still 55%.