[avree]

Minus actually took it from Dropmocks, which was created by a Googler.

https://github.com/glenmurphy/dropmocks http://www.dropmocks.com/

[human_error]

It doesn't work on Safari, I guess. This is the message I get when I visit dropmocks.com:

"Sorry, our uploader doesn't yet work on your browser (which doesn't support drag and drop file uploads)"