Abstract: A method for non intrusive delivery of messages to a device, characterized in that it comprises the steps of:—at a server:—identifying messages according to historical data received from at least the device and—sending the identified messages to the device through a network,—at the device:—receiving the messages,—filtering, in function of a user's profile stored in storage means of the device, retained messages to be stored in storage means of the device and messages to be removed from the device,—storing retained messages in storage means of the device,—detecting (1) an interstitial event,—determining (2) whether said interstitial event matches at least one interstitial event type defined by user's profile stored in the device,—if said interstitial event matches at least one interstitial event type defined by the user's profile, selecting (3) among said retained messages a message matching said user's profile,—displaying (4) on the device a message invitation, the message invitation comprising a request for