More important than the flush toilet, the internal combustion engine, and the bed
Putting the wheel at No. 1 makes sense. Ditto the light bulb at No. 3 and penicillin at No. 7.
But even Apple (AAPL) CEO Steve Jobs -- no stranger to hyperbole -- has never claimed that the iPhone is the eighth greatest invention of all time.
You can probably find a few items on the list below that you would rank higher. Myself, I'm partial to hot water, soft toilet paper, and a roof over my head.
Below: Tesco Mobile's list.
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