Certain examples described herein provide a method for providing a collaborative session over a network. In these examples, a collaborative session is a series of geographically-separated temporally-coordinated events, such as a performance or concert. In examples, a global latency is set for the collaborative session. The global latency is set to a value greater than a longest latency for a plurality of client devices engaging in the collaborative session, and is defined as a function of a temporal rate for the series of temporally-coordinated events. During the collaborative session data streams are received from the plurality of client devices and presentation of the received data streams on the plurality of client devices is synchronised to enforce the global latency.
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