4182 days since last revision. Details are possibly out of date. Update 17th August 2012: The original version of this post was based on the Editor’s Draft, 20 April 2012. Since then, the specification has undergone further changes. The article has now been updated and is based on the Editor’s Draft, 13th August 2012. The current Editor’s draft can be found at http://dev.w3.org/csswg/css3-flexbox/