1. A method of updating participants of a game, comprising: selecting from a plurality of participants of the game, a subset of sampling participants; establishing a two-way connection with each of the sampling participants; maintaining the two-way connection throughout the game with each of the sampling participants; periodically, receiving through the two-way connection, data from only the sampling participants, the data representing performance of the sampling participant for a period of the game; based only on the sampling data, determining a performance metric for the game; and broadcasting the performance metric to a participant of the game.