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What is the most useful invention?

And explain.
SleepingSupernova
22-25, F
5 replies 2 views Jun 17, 2013
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Triundi
The microchip. Every modern thing uses microchips.
+ 0 · Reply · Translate · Jun 17, 2013
Bitto69
The alphabet.
+ 0 · Reply · Translate · Jun 17, 2013
SleepingSupernova · 22-25, F
Of course. Really good answer.
+ 0 · Reply · Translate · Jun 17, 2013
Charleen78
Internet
+ 0 · Reply · Translate · Jun 17, 2013
ebdyes
q-tips
+ 0 · Reply · Translate · Jun 17, 2013
 
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