What single invention, if edited out of the timeline of our history, would have the most interesting effect on our modern world? I know I know, but forget about the obvious ones - we won't be talking about essentials like fidget spinners and pet rocks. They say necessity is the mother of invention, but what we've learned is that you don't actually *need* flushing toilets or the printing press. In fact, the absence of such crutches would probably enrich our moral fibre. Also, somewhere out there is a parallel universe where we didn't screw things up, and the noble dirigible is still the king of air travel. 

Music used: "The Show Must Be Go" and "Cuban Sandwich"
by Kevin MacLeod (incompetech.com)
Licensed under Creative Commons: By Attribution 3.0 License
http://creativecommons.org/licenses/by/3.0/

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