Aside from the obvious benefits, even just streaming certain responses can be useful when your app lives on the Heroku cedar stack and you want to keep connecti

Aside from the obvious benefits, even just streaming certain responses can be useful when your app lives on the Heroku cedar stack and you want to keep connections alive for longer than the default 30 seconds. I put this to use (albeit with an older Rails technique) for processing credit cards. Long description of it here: http://icelab.com.au/articles/money-stress-and-the-cloud/ http://icelab.com.au/articles/money-stress-and-the-cloud/