tracking at least one category of emotional factor of the wearer, wherein the tracking comprises detecting a change in measuring data of the at least one category of emotional factor coming from a bio-information sensor included in the connected watch, by monitoring the measuring data that is received by comparing at least one emotional measurement factor measurement, included in the measuring data, to a reference measurement of a corresponding emotional factor, and generating a detection message based on determining that an emotional factor measurement, included in the measuring data, exceeds the reference measurement of corresponding emotional factor during a predetermined period;

diffusing, by the connected watch to the wearer, a notification of detection of the particular event to the wearer based on a change in the tracked at least one category of emotional factor of the wearer occurring;

in response to the notification, designing by the wearer on the connected watch a multimedia message relating to the particular event selected by the wearer; and

sending the multimedia message to a database of a server configured to archive messages, including the multimedia message, that relate to particular events of the wearer,

wherein the designing the multimedia message comprises creating, on the connected watch, the multimedia message by using a specific interface displayed on an interface in response to detecting that the wearer received the notification for broadcasting a visual piece of information of the connected watch, and

wherein the multimedia message is a voice message selectively recorded by the wearer through a microphone of the connected watch and the specific interface displayed for broadcasting a visual piece of information comprises information for assisting the wearer when the multimedia message is recorded by the wearer.