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What was the greatest invention?

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softspokenman · M

The bicycle.

Sazzio · 31-35, M

My second answer this was :0 I cycled a total of 14 miles in just under 2 hours. Coming back was easy all downhill. But walk 7 miles will take ages! So cycling's better.

softspokenman · M

😊 @Sazzio I think that walking 14 miles at 7 miles an hour would be a bit exhausting even if it was all down hill. 8)