I'm being served h264 encoded HTML5 video embeds: http://graphics8.nytimes.com/newsgraphics/2013/07/21/silk-road/assets/media/loading_970.mp4 http://graphics8.

I'm being served h264 encoded HTML5 video embeds: http://graphics8.nytimes.com/newsgraphics/2013/07/21/silk-road/assets/media/loading_970.mp4 http://graphics8.nytimes.com/newsgraphics/2013/07/21/silk-ro... The file size is 874k. If it were an animated gif of similar quality, the file size would be massive.