> if someone uses one today it's either because they have a glass desktop or they want wrist support. Or they just want a good surface where the mouse glides s

> if someone uses one today it's either because they have a glass desktop or they want wrist support. Or they just want a good surface where the mouse glides smoothly, without any rubbing or scraping or pits that affect tracking.. I've never had a desk that felt good without a pad. I imagine glass would be smooth as long as it's clean.