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					Originally Posted by  barryem
					 
				 
				I doubt that most fiction readers will have much interest in color e-ink and since that's at least half the market, probably more,  I wonder how much incentive any manufacturer has to go that way. 
 
Barry 
			
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 But reading devices are not the only - and probably not even the most important - market for eInk. Low-power daylight-readable screen have innumerable commercial uses, and many of those (eg advertising displays) would certainly benefit from colour.
As soon as decent colour eInk becomes available, I strongly suspect that greyscale devices will quickly disappear from the market.