People in Argentina commonly kiss one another on the cheek in saying hello and goodbye, expressing a warm feeling even between a dentist office receptionist and patient.

CNN: In therapy? In Argentina, it's the norm

This despite the fact that he only spoke a few words of English - "toilet, football, hello and goodbye, " he said - when he moved to the UK a year ago.

BBC: Girls show writing flair

The band's other hits included Torch, Bedsitter and Say Hello, Wave Goodbye.

BBC: NEWS | Entertainment | Almond family thanks well-wishers

But as we travel deeper into this new world of constant connectedness and ever-present technology, I wonder whether we are saying hello to the world or goodbye to society.

FORBES: Hello World, Goodbye Society?

Say goodbye to the gigabyte and hello to the exabyte, five of which are worth 37, 000 Libraries of Congress .

FORBES: The Data Smog That Envelops Us All

So, goodbye jaggy stair steps, hello smooth slides.

FORBES: MakerBot, The Next Generation: Replicator 2 Is The Finest Desktop 3-D Printer Ever

And when investors and parent corporations realize that there are much easier businesses out there with far better returns on investment, say goodbye to the for-profit healh insurance industry and hello to a government single-payer health system.

FORBES: The Obamacare Bomb Is Very Real - Even If Washington Post Doesn't Quite Get It