What Powers Instagram

[Don’t know how I missed this piece](http://instagram-engineering.tumblr.com/post/13649370142/what-powers-instagram-hundreds-of-instances-dozens-of “What Powers Instagram: Hundreds of Instances, Dozens of Technologies”) when it came out a couple of months back. Instagram is a pretty simple app — take picture, apply filter, share it — but this post on their engineering blog describes how they use tools like Amazon Web Services, Ubuntu Linux, Django and PostgreSQL to make their app work simply and reliably. There’s a lot of work that goes into making something like Instagram seem so simple and work so well.