Update: Flickr hits 2 Billion photos served. That's a lot of hamburgers. Flickr is both my favorite bird and the web's leading photo sharing site. Flickr has an amazing challenge, they must handle a vast sea of ever expanding new content, ever increasing legions of users, and a constant stream of new features, all while providing excellent performance. How do they do it? Site: http://www.flickr.co
![Flickr Architecture - High Scalability -](https://cdn-ak-scissors.b.st-hatena.com/image/square/6d76e896b0ab6ca870e2c682860be6fffbc4e015/height=288;version=1;width=512/https%3A%2F%2Fstatic.ghost.org%2Fv5.0.0%2Fimages%2Fpublication-cover.jpg)