Folks who use your software want to-the-second updates. Especially in a business setting, where people need to get things done, and get them done at "the speed of business". Company dashboards showing sales and their projections often need information to be available in real-time to really get that competitive advantage. Even users of personal apps such as social networking want to see replies and reactions immediately. Mom and dad don't want to waste a second waiting on those pictures of their grandkids! And as developers, we want to provide those features for them!
This post shows you how