Which highly-anticipated personal transportation device, launched in 2001 after massive secrecy and hype as 'Ginger' or 'IT', was predicted to revolutionize urban mobility but ultimately failed commercially?

The transportation industry has seen many technological advancements and failures over the decades. Companies have invested billions in developing new mobility solutions, some revolutionizing how we travel, while others became cautionary tales. This poll tests your knowledge about a famous transportation technology failure that had significant market hype before collapsing. Think you know your transportation history?

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Segway Personal Transporter
GM EV1 Electric Car
Sinclair C5 Electric Vehicle
Moller Skycar M400