I don't understand the need to grind sodium chloride (salt), it's 
available in any grind (sieve size) and as far a I know, doesn't change 
flavor over time. Agree pepper and other spices retain their flavor much 
better if ground just before use. ~)

Jake Anderson wrote:
>> No you manipulate the market to want what you make. As an example consider 
>> the electric light blub. Clearly people want to illuminate their 
>> environment when it gets dark but they already had this ability before the 
>> electric light bulb was invented. And simply inventing it didn't cause 
>> people to switch to it. There was a whole infrastructure that had to be 
>> developed and put in place. There was no market for light bulbs until the 
>> market was created.
>>
>> Regards
>> Sergio Masci
>>   
>>     
>
> Lightbulbs provided a significant improvement on what was available at 
> the time.
>
> A battery powered salt and pepper grinder would only provide a 
> significant advantage to people who have a fairly major disability.
> To everybody else its just a toy. My other halfs parents have one that 
> has LED's on the bottom. I spose if its a "romantic dinner" you might 
> have difficulty seeing how much of what your putting on your food, but 
> then the whiring of the grinder and the LED light would take the edge 
> off for me ;->
>   
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