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					Originally Posted by  BookCat
					 
				 
				Very few ereaders have any kind of warm light adjustment, but most have frontlight.  
 
This is splitting hairs and not helping the OP. 
			
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 No we aren't. "ComfortLight" is the name Kobo invented when they added frontlighting to the Glo. It is still used for the 
Aura Edition 2. "Comfortlight PRO" is what Kobo uses for the devices with colour changing and was introduced with the 
Aura ONE. 
If someone is using those terms in other ways, or not referring to Kobo devices, then they are wrong. And not, I don't think it has become a generic term.