In response to the shutdown of GoInstant's service on August 31, 2014, PubNub offers tools and guidance to facilitate a smooth migration to its Data Stream Network, ensuring uninterrupted real-time chat functionality. The tutorial provided by PubNub outlines the necessary steps for transitioning from GoInstant to PubNub, emphasizing the simplicity of using PubNub's APIs, which require only ten lines of code to build a chat application. PubNub supports over 50 SDKs and offers capabilities for various applications, such as live dashboards and machine-to-machine signaling, through its publish and subscribe keys, making it a versatile solution for developers. Additionally, the new Chat Resource Center launched by PubNub offers comprehensive resources, including overviews, tutorials, and design patterns for building and deploying mobile and web chat applications.