Mesh allows Scratch Projects to connect over the internet, and can be used for multplayer games or chat rooms. This tutorial shows you how to set up Mesh, and the next one will show you how to program with it! How to program with Mesh: http://scratch.mit.edu/projects/Thrystor/2445662 Apply your Mesh skills here: http://scratch.mit.edu/projects/Thrystor/2446846