A content management system can tag a client installer with an information tag linking the client installer to a user account. A main indexing table is attached to the main headstock. The 3D geometry of the surface is estimated proximate to the location where the text is to be placed. Display electronics of the system cause the detected elements from the enhanced vision system to be simultaneously displayed on the display unit within a same scene as the generated synthetic display elements from the synthetic vision system. Competitors can be automatically selected based on the closeness of their target-achievement-scores to the user’s target-achievement-score, so long as at least one competitor has a higher target-achievement-score than the user so as to further motivate the user.