This is interesting, using a font to make resolution-independent web icons. I wonder if this approach would also work well for future-proofing desktop apps against higher DPI screens?
Originally shared by Guillaume Laforge
Very detailed article explaining how to use icon fonts in your web application, so icons always look nice and crisp, at any scale (even including Retina displays like on Macs)
http://blog.fogcreek.com/trello-uses-an-icon-font-and-so-can-you/