1. A method, comprising: communicating a request to share data of a first subscriber of an on-demand database service with at least one second subscriber of the on-demand database service; determining whether the request is actually from the first subscriber; determining whether the request is accepted by the at least one second subscriber; and enabling the first subscriber to share the data of the first subscriber with the at least one second subscriber if the request is determined to be actually from the first subscriber and the request is accepted by the at least one second subscriber.