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.
Sunday at the Defcon hacker conference, Kapela and Pilosov are presenting a new technique that allows hackers to remotely reroute Internet traffic without the target's knowledge.