[baddox]

Are you talking about economic productivity, or social interaction? Those are two questions with potentially very different answers. Also, I think the social interaction argument is pretty weak. The global connectedness that comes from the Internet and smartphones is, in my opinion, a huge improvement to social interaction in the world. I'm not that fussed if I'm at a restaurant with friends and some are using their phones.

[baconizer]

yes i immediately realised what you meant after my reply, so I should mark my words as off topic. it did inspired me similar thinking today, before I saw this :)