Downloadable mobile applications for software for tracking lap times during racing activities and making the lap times available to others having access to the software, and for providing real-time information on the progress of race participants in the field of social racing, events, and competitions; downloadable software in the nature of a mobile application for tracking lap times during racing activities and making the lap times available to others having access to the software, and for p...

APPARATUS FOR LAPPING ARTICLES TO AN OPTICAL FLAT, APPARATUS FOR TESTING SUCH OPTICAL FLAT AND PARTS THEREOF