The invention relates to computer device comprising: a display; a graphics controller configured to control the display; a processor configured to execute context code which supplies a context screen to the graphics controller, the context screen comprising a set of contextual information items, the context code arranged to receive user selection of a contextual information item and to activate messaging code which provides to the graphics controller a set of contacts to be displayed to a user, the messaging code configured to detect selection of a contact, create a messaging session with that contact and create a message addressed to the selected contact containing the contextual information item selected from the context screen.