Rachel Weisz
The Oscar winner for her amazing performance in The Constant Gardener mentioned that she did not have any social media account at the moment because she would not know what to do with it. Later, in another interview, she gave more details on what her actual opinion on the matter is. Weisz pointed out that for her, entering the virtual world through these applications actually meant having less rights in terms of privacy while at the same time opening a window for the general public to access her personal life.
I think they mean that craving attention on social media is more of an American thing. If they don't, then I do.