Rails 4.0 will allow you to stream arbitrary data at arbitrary intervals with Live Streaming.
https://twitter.com/linjunhalida/status/233460822909788160 http://tenderlovemaking.com/2012/07/30/is-it-live.html
推上看到的分享,提到 Server-Sent Events 技术,第一次听说.. http://www.html5rocks.com/en/tutorials/eventsource/basics/ http://www.oschina.net/question/82993_63312 一看这么像 websocket, 而且浏览器支持也不错啊,这门技术很冷僻嘛?