Previously on HN: http://news.ycombinator.com/item?id=2594083 http://news.ycombinator.com/item?id=2594083 ↪ How Facebook _actually_ pushes updates to the site

Previously on HN: http://news.ycombinator.com/item?id=2594083 http://news.ycombinator.com/item?id=2594083 ↪ How Facebook _actually_ pushes updates to the site I came across this originally on the Etsy dev blog, rather than HN, and that particular post had some good other stuff about Flickr and Etsy: http://codeascraft.etsy.com/2011/06/01/pushing-facebook-flickr-etsy/ http://codeascraft.etsy.com/2011/06/01/pushing-facebook-flic...