@danielmcclure on Twitter: "CSS-Only Solution For UI Tracking | Smashing Magazine http://www.smashingmagazine.com/2014/10/16/css-only-solution-for-ui-tracking"

Last Updated: October 24, 2014

CSS-Only Solution For UI Tracking | Smashing Magazine http://www.smashingmagazine.com/2014/10/16/css-only-solution-for-ui-tracking

Source

https://twitter.com/danielmcclure/status/525612418312196096