1. A non-transitory computer storage medium comprising computer-useable instructions that, when used by one or more computing devices, cause the one or more computing devices to perform operations comprising: receiving one or more art stream commands from one or more clients, the one or more art stream commands comprising gestures, drawing state, and attribution information; merging the one or more art stream commands together into a merged set of art stream commands; and communicating the merged set of art stream commands to the one or more clients.