14. The method according to claim 12 , wherein the load of the user is estimated based on usage of devices, which are available for the user.
14. The method according to claim 12 , wherein the load of the user is estimated based on usage of devices, which are available for the user. 16. The method according to claim 14 , wherein the load of the user is estimated in such a manner that the load in a case where the user uses a periphery device around a screen of a display is smaller than the load in a case where the user does not use the periphery device.