1. A server comprising: a communication interface capable of receiving communications from a plurality of mobile devices; and a control system associated with the communication interface and adapted to: obtain current locations of the plurality of mobile devices; form a crowd based on at least a subset of the plurality of mobile devices; generate crowd data regarding the crowd; compute a confidence level of the current location of at least one of the plurality of mobile devices based on an amount of time since a location update for the current location of the at least one of the plurality of mobile devices was received; and utilize the confidence level of the current location of the at least one mobile device to perform an action associated with the crowd data.