Project explains it all. Mesh chat program included (doesn't work unless you have mesh activated)! I'll understand if it isn't considered a good SDS idea due to the troubles of setting up Mesh and internet safety and all that. http://scratch.mit.edu/projects/Thrystor/2024979 Another good example by me. If you like Mesh stuff, you'll love this: http://scratch.mit.edu/projects/Thrystor/2446846