It's nice that they're finally fixing this, but I feel like Gruber's take [1] is probably right. It's a little odd that there are no pictures, but this won't be released until 2016. As he points out that's four years after the Lightning connector came out.
It's been dead obvious since USB first came out that having a cable that worked either way would have been easier to plug in. We've been through a couple of revisions of the smaller connectors (A, mini-B, micro-B, the new USB3 version) but you won't start to see this for another two+ years.
[1] http://daringfireball.net/linked/2013/12/04/usb-lightning