-Gidman
I use cotton terrycloth only - don't want to risk scratching the screen, as paper may.
Oh, and ammonia (blue) Windex, not Vinegar (Green) Windex. Ammonia is Alcaline, Vinegar is an acid (Acetic acid specifically), the materials of the PB are more resistive of Alcaline vs. Acid, and the handprints are the opposite - hate alcaline.