A method for providing sound alerts to a user to increase his awareness regarding entities of interest in his vicinity, comprising the steps of: a) registering said user at a website as a subscriber; b) recording and uploading a user profile and one or more first sound alerts for said user to said website; c) uploading a list of other users associated to said user; d) installing a mobile application on a mobile device (U n) of said user, said mobile application being adapted to: d.1) detect a presence of associated users from said list in a predetermined vicinity of said user's location; d.2) upload one or more second sound alerts for said user to said website; d.3) update statuses of said user, each of which corresponds to one of the one or more first or second sound alerts; d.4) select a default sound alert for said user out of the one or more first or second sound alerts; and d.5) gain access to a message box of said user or to messages destined to said user and cause the website to perform keyword analysis with respect to the accessed messages in order to obtain said user's current status; e) analyzing each sound alert out of the one or more first or second sound alerts according to predetermined criteria, to verify that it does not contain any banned words or content and granting a permit to each examined sound alert that met said criteria; f) storing the sound alert that met said criteria in a database, along with a right association to said user and his status; g) continuously tracking the location and status of each user and checking whether associated users from said list are within the predetermined vicinity of said user's location, such that they may be relevant to said user's current location and status; and h) sending a signal to the mobile application on the mobile device to retrieve a relevant sound alert and to play it via said user's earphones or via said user's loudspeaker, depending of the status of the mobile device. a) registering said user at a website as a subscriber; b) recording and uploading a user profile and one or more first sound alerts for said user to said website; c) uploading a list of other users associated to said user; d) installing a mobile application on a mobile device (U n) of said user, said mobile application being adapted to: d.1) detect a presence of associated users from said list in a predetermined vicinity of said user's location; d.2) upload one or more second sound alerts for said user to said website; d.3) update statuses of said user, each of which corresponds to one of the one or more first or second sound alerts; d.4) select a default sound alert for said user out of the one or more first or second sound alerts; and d.5) gain access to a message box of said user or to messages destined to said user and cause the website to perform keyword analysis with respect to the accessed messages in order to obtain said user's current status; d.1) detect a presence of associated users from said list in a predetermined vicinity of said user's location; d.2) upload one or more second sound alerts for said user to said website; d.3) update statuses of said user, each of which corresponds to one of the one or more first or second sound alerts; d.4) select a default sound alert for said user out of the one or more first or second sound alerts; and d.5) gain access to a message box of said user or to messages destined to said user and cause the website to perform keyword analysis with respect to the accessed messages in order to obtain said user's current status; e) analyzing each sound alert out of the one or more first or second sound alerts according to predetermined criteria, to verify that it does not contain any banned words or content and granting a permit to each examined sound alert that met said criteria; f) storing the sound alert that met said criteria in a database, along with a right association to said user and his status; g) continuously tracking the location and status of each user and checking whether associated users from said list are within the predetermined vicinity of said user's location, such that they may be relevant to said user's current location and status; and h) sending a signal to the mobile application on the mobile device to retrieve a relevant sound alert and to play it via said user's earphones or via said user's loudspeaker, depending of the status of the mobile device.