Instagram.com renders almost all of its UI in JavaScript. I'll talk about how our packaging and push systems work in great detail, which are clever combinations of existing open-source tools. Anyone building a large site using lots of JavaScript would find what we've learned interesting!
![OSCON 2014: How Instagram.com Works; Pete Hunt](https://cdn-ak-scissors.b.st-hatena.com/image/square/5105d36a4feb087c8b4838998fcac2e3fc445168/height=288;version=1;width=512/https%3A%2F%2Fi.ytimg.com%2Fvi%2FVkTCL6Nqm6Y%2Fhqdefault.jpg)