Good call, you want to update?
On Apr 16, 2014 5:16 PM, "Mathias Bynens" <notifications@github.com> wrote:

> In posts/grids.md:
>
> >
> > -The [CSS Grid Layout](http://dev.w3.org/csswg/css3-grid-align/) specification supersedes several older ones, and only features an experimental implementation in Internet Explorer 10. Until the specification matures and more implementations exist, we suggest that you avoid using this.
> > +The [CSS Grid Layout](http://dev.w3.org/csswg/css3-grid-align/) specification supersedes several older ones, and features an experimental implementation in Internet Explorer 10+ as well as Chrome. An overview can be found at [updates.html5rocks.com](http://updates.html5rocks.com/2014/03/Get-on-the-CSS-Grid). Until the specification matures and more implementations exist, we suggest that you avoid using this.
>
> …and Opera
>
> —
> Reply to this email directly or view it on GitHub<https://github.com/h5bp/html5please/pull/300/files#r11672330>
> .
>