Nathan Jurgensen argued in November 2013 that "'Unplugging' from the Internet isn’t about restoring the self so much as it about stifling the desire for autonomy that technology can inspire." This idea is picked up by the New Republic this week.
I do like Jurgensen's article because it shows the inauthenticity of those who claim that the Internet stand in the way of their own authenticity. Whatever authenticity is, the only one that can stand in its way is the person striving to be authentic, if only because many of the ways of striving for authenticity are themselves inauthentic. In other words, the best way to attain something approaching authenticity is by not striving for it. It's like happiness that way. Directly pursued, it tends to lead you astray. Pursuing something worth your while, it might surprise you.
In any case, "mindfulness" and "unplugging" are just slogans providing false promises—or so I would argue.
1. In other words, I have not given up entirely on the notion of "authenticity" yet. Perhaps I should.