Most of these hoaxes are about fear and money: the money aspect is highlighted by the Airbus consortium countries grounding the jet.
They join a long list of countries in suspending the plane, including the UK. It comes after an Ethiopian Airlines plane crashed on Sunday, killing 157 people on board. It was the second fatal accident involving the 737 Max 8 model in less than five months. US officials say the aircraft are still safe to fly.
The two manufacturers are an effective duopoly, with sales quite even. Will this tip the scales (for now?)