This article never really manages to make a point. Many of the cited examples are anything but secret. The interesting point made about withholding meaning since there is no way to withhold content falls down when you realize it's predicated on out of band communication which is becoming less available generally. All in all, it is merely another example of people doing online, what they do offline, not some fundamental shift in human dynamics.
Are there any methods available for a UK resident to view this article, other than going through a non-UK VPS?