In cities with heavily congested traffic, people can get around much faster on a motorcycle than in a car. But a rider who is not sure of his route may have to stop to look at the map or consult a GPS. A Russian start-up company is working to make navigation easier for motorcyclists. Designers at Moscow-based LiveMap are developing a smart helmet with a built-in navigation system, head-mounted display and voice recognition. Zlatica Hoke has more.