An electronic apparatus, comprising: a display configured to display notification information for a plurality of applications; a memory configured to store a preference for each of said plurality of applications and configured to store a notification display option based on said preference for each of said plurality of applications that generates the notification information, wherein the notification information is provided by any of the applications, and when the notification information corresponding to one of the applications is selected using a first type of user interaction, the processor is configured to increase the preference for the application that provides the selected notification information, and wherein the first type of interaction comprises a first interaction of selecting the notification information and in response thereto executing the application corresponding to the selected notification information, and a second interaction of dragging said notification information in a first direction and in response thereto the electronic apparatus is configured to display corresponding content of the notification as a preview, and when the notification information corresponding to one of said applications is selected using a second type of user interaction, the processor is configured to decrease the preference for the application that provides the selected notification information, and the second type of interaction comprises a third interaction of dragging the notification information in a second direction and in response thereto deleting the notification information, and a fourth interaction of selecting a delete menu to delete the notification information; and the processor is further configured to control the display to display the notification information corresponding to one of said applications based on the notification display option of the application, and when a notification information regarding said application is displayed and the notification information is selected using a third type of user interaction, the processor is configured to change the preference to the application associated with the notification information and correspondingly change the notification display option comprising the form of the notification information to be subsequently displayed by the application stored in the memory based on the type of the third user interaction that has been used to select the displayed notification information regarding the application, wherein the third type of user interaction comprises at least one of a double touch, long touch, stare, voice input, button manipulation, and a behavior of non-use for a predetermined time period or longer. a display configured to display notification information for a plurality of applications; a memory configured to store a preference for each of said plurality of applications and configured to store a notification display option based on said preference for each of said plurality of applications that generates the notification information, wherein the notification information is provided by any of the applications, and when the notification information corresponding to one of the applications is selected using a first type of user interaction, the processor is configured to increase the preference for the application that provides the selected notification information, and wherein the first type of interaction comprises a first interaction of selecting the notification information and in response thereto executing the application corresponding to the selected notification information, and a second interaction of dragging said notification information in a first direction and in response thereto the electronic apparatus is configured to display corresponding content of the notification as a preview, and when the notification information corresponding to one of said applications is selected using a second type of user interaction, the processor is configured to decrease the preference for the application that provides the selected notification information, and the second type of interaction comprises a third interaction of dragging the notification information in a second direction and in response thereto deleting the notification information, and a fourth interaction of selecting a delete menu to delete the notification information; and the processor is further configured to control the display to display the notification information corresponding to one of said applications based on the notification display option of the application, and when a notification information regarding said application is displayed and the notification information is selected using a third type of user interaction, the processor is configured to change the preference to the application associated with the notification information and correspondingly change the notification display option comprising the form of the notification information to be subsequently displayed by the application stored in the memory based on the type of the third user interaction that has been used to select the displayed notification information regarding the application, wherein the third type of user interaction comprises at least one of a double touch, long touch, stare, voice input, button manipulation, and a behavior of non-use for a predetermined time period or longer.