Abstract: A system for screen sharing wherein, in response to receiving a request to host a visual data sharing session from a host device to share visual data with one or more viewer devices, one or more central servers: selects one of two or more reflection servers to serve as a selected reflection server for the visual data sharing session; generates a unique URL for the one or more viewer devices to access the visual data sharing session via the reflection server; in response to one or more of the viewer devices accessing the URL, establishes a communication connection between the host device and the one or more viewer devices; and transmits visual data captured on the host device to the one or more viewer devices.