P.S. Out of the ereaders I own:
The Kindle 3 seems to have some kind of coating on the back but it has not failed.
The Kobo Glo has slightly harder plastic that is hatched to soften the plastic, maybe no rubberization,
And the Kobo Glo HD has a rubberized hatched plastic back.
None of the three has failed.
The items that I owned that did fail began life with a softer more rubberier feel to them.
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