All bets are off now.
Reuters reports: Radar Data Suggests Missing Malaysia Plane Deliberately Flown Way Off Course: Sources
Associated Press: 1 US Theory Is Someone Diverted Missing Plane
New York Times: Satellite Firm Says Its Data From Jet Could Offer Location
How Can An Airliner Just Disappear? The same way your Porsche disappears from your driveway.
Someone steals it.