Although the rubs are frequently specific to the country at hand--the crux of the U.S. controversy is illegal crossing from Mexico for work and social services--the phenomenon of a planet on the move is part of a broader global integration.

FORBES: People!

Far from being a Romantic expression of the individual, music, Mr Byrne believes, is a social, even biological, phenomenon.

ECONOMIST: Rediscovering music with Talking Heads�� front man

While you may be immersed in social media as a consumer, how much thought have you given to the implications of this phenomenon from a business perspective?

FORBES: Why Social Engagement Is Critical To Business Success