Not long ago, Rails got ActionCable. ActionCable is an interface to WebSockets and (potentially) other methods of turning a normal sent-to-browser web page into a two-way connection that can keep exchanging data. There have been a lot of these attempts over the years - WebSockets, Server-Sent Events, Comet and Server Push (HTTP1 and HTTP2) are all protocols to do that. There have been many Ruby im
![Does ActionCable Smell Like Rails? — Engineering Blog](https://cdn-ak-scissors.b.st-hatena.com/image/square/c0d8d7a1ae750d257dba170552658b488be117bb/height=288;version=1;width=512/http%3A%2F%2Fstatic1.squarespace.com%2Fstatic%2F562ea223e4b0e0b9dab0b930%2Ft%2F5b689c4caa4a99da3bbc79c4%2F1533582432776%2Ftwitter_99_notifications.png%3Fformat%3D1500w)