The technique the driver uses to prevent printing is a feature of the PDF format and is really Digital Rights Management (DRM).

FORBES: Green Tech? Only 'Cause it's Not Ripe

Turning left is not a matter of indicating and waiting for a break in the traffic before making a 90 degree turn--it is more a 15 degree penetration technique from some distance before the actual turn, as the driver dares oncoming traffic into a head-on before sliding by their front fenders into the required side street.

CNN: ASIANOW - TIME Asia | Asia Buzz: Country Drive