I think it's down to open-offices - when you condition yourself to ignore and blank out the conversations and noise 3 feet away, it's no wonder it's difficult t

I think it's down to open-offices - when you condition yourself to ignore and blank out the conversations and noise 3 feet away, it's no wonder it's difficult to snap out of it (it certainly is for me). That said, my experience of open offices has been of the condensed, touching-elbows variety.