A mobile device, comprising: a plurality of messaging systems; a user interface element comprising a screen having variable intensity lighting; a frequency alteration module having selectable frequency modes, wherein the frequency alteration module is configured to enable a selection between an audio signal and a vibrational signal as a mobile device output; an operating mode switch, to actuate a predefined set of alterations to the operating mode of the mobile device; and a data processor coupled to said messaging systems, said user interface element, said frequency alteration module and said operating mode switch, characterized in that, said data processor includes at least one software application configured, following actuation of said operating mode switch, to simultaneously: i selectively adjust the lighting intensity of said user interface element, so as to adjust the backlight intensity of the user interface element, to a predefined initial setting; ii selectively adjust the text font style, to a predefined initial setting; iii selectively change the frequency mode of said frequency alteration module; iv to provide a customized output, wherein said customized output aggregates said plurality of messaging systems and is displayed on said user interface element; and v wherein upon selection of an email messaging system or a SMS messaging system from the display of aggregation of plurality of messaging systems on the interface element, a window for composing a reply to an email or SMS is implemented such that the window is blank and ready for text entry. a plurality of messaging systems; a user interface element comprising a screen having variable intensity lighting; a frequency alteration module having selectable frequency modes, wherein the frequency alteration module is configured to enable a selection between an audio signal and a vibrational signal as a mobile device output; an operating mode switch, to actuate a predefined set of alterations to the operating mode of the mobile device; and a data processor coupled to said messaging systems, said user interface element, said frequency alteration module and said operating mode switch, characterized in that, said data processor includes at least one software application configured, following actuation of said operating mode switch, to simultaneously: i selectively adjust the lighting intensity of said user interface element, so as to adjust the backlight intensity of the user interface element, to a predefined initial setting; ii selectively adjust the text font style, to a predefined initial setting; iii selectively change the frequency mode of said frequency alteration module; iv to provide a customized output, wherein said customized output aggregates said plurality of messaging systems and is displayed on said user interface element; and v wherein upon selection of an email messaging system or a SMS messaging system from the display of aggregation of plurality of messaging systems on the interface element, a window for composing a reply to an email or SMS is implemented such that the window is blank and ready for text entry. i selectively adjust the lighting intensity of said user interface element, so as to adjust the backlight intensity of the user interface element, to a predefined initial setting; ii selectively adjust the text font style, to a predefined initial setting; iii selectively change the frequency mode of said frequency alteration module; iv to provide a customized output, wherein said customized output aggregates said plurality of messaging systems and is displayed on said user interface element; and v wherein upon selection of an email messaging system or a SMS messaging system from the display of aggregation of plurality of messaging systems on the interface element, a window for composing a reply to an email or SMS is implemented such that the window is blank and ready for text entry.