In the past months we have covered real-time client push services and seen the introduction of real-time client push technology and APIs to a number of services such as Superfeedr and DataSift. This focus on real-time push to client applications, and in particular web browser applications, is very exciting. The initial assumption would be that this movement has been triggered by an advancement in technology, and to some degree that is the case, but it might surprise you to know that the ability to push real-time updates into a web browser isn't new and has in fact been around for a number of years.
Nexmo offers a series of cloud-based communication APIs that make it easy to integrate reliable communication services into any application. This tutorial by Tim Lytle on the Nexmo blog shows followers how to build a simple text message group chat using the Nexmo SMS API and PHP.