Ask HN: Does anyone actually use clear glass as a “whiteboard” IRL?

I know in pop culture you aren't a really cool coder/hacker/statistician/accountant? unless you do your brainstorming/calculating on a clear glass "whiteboard" but do people actually do this IRL?

http://www.fandango.com/movie-news/watch-ben-affleck-in-new-the-accountant-trailer-751147 (see pic in article)