3. The information processing system of claim 1 , wherein the processor is further configured to: determine, in response to the updating and independent of the respective user's location within the virtual world, that an associated user associated with a contact within at least one of the respective user's social collaboration platform contacts and the virtual world contacts is online within at least one of the virtual world and the social collaboration platform, respectively; and notify, in response to determining that the associated user is online, the respective user that the associated user is online within at least one of the social collaboration platform and the virtual world, respectively.
3. The information processing system of claim 1 , wherein the processor is further configured to: determine, in response to the updating and independent of the respective user's location within the virtual world, that an associated user associated with a contact within at least one of the respective user's social collaboration platform contacts and the virtual world contacts is online within at least one of the virtual world and the social collaboration platform, respectively; and notify, in response to determining that the associated user is online, the respective user that the associated user is online within at least one of the social collaboration platform and the virtual world, respectively. 6. The information processing system of claim 3 , wherein the processor is further configured to: determine that a respective avatar of the associated user is located within the virtual world in proximity to an avatar associated with the respective user, and wherein the processor is configured to notify by notifying, in response to the determining that a respective avatar of the associated user is located within the virtual world in proximity to an avatar, the respective user that an identity of the avatar associated with the associated user has been verified.