Those are the ones that produce nasty shadows because of the distance between the surface of the glass and the white backing. They are much harder to read than plain whiteboard.
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At the company I previously worked for they had a white background behind the glass and the legibility was just as good as a standard whiteboard.
Those are the ones that produce nasty shadows because of the distance between the surface of the glass and the white backing. They are much harder to read than plain whiteboard.