How can planes “vanish” in 2014? 1

How can planes
UPDATE (10/10/2014): PBS Series NOVA did an interesting episode on this topic.. take a look here. Nova: Why Planes Vanish (Video) UPDATE (12/29/2014): Sadly another aircraft has been AirAsia Flight QZ8501, has gone missing, while this incident seems a bit less mysterious than MH370 , it again underscores the need for real-time GPS (Satellite live telemetry systems. ...