Visa-on-arrival is the new currency in global travel

There is a quiet revolution going on in the world of visa policies, and it deserves a lot more attention for its remarkable effects on global business travel and indeed the business of travel. The world is moving towards visa on arrival, and how: Out of nearly 5,100 visa requirement changes globally over two-year period ending in 2012, a vast majority -- 70 percent -- of these involved changing from "visa required" to enter a country to "visa on arrival" according to a new report by UNWTO World Tourism organization. That's the real human network expanding right before our eyes. That's the unheralded reason behind the one billion travelers that crisscrossed the globe in 2012 -- the first year that it crossed that billion mark. The countries most keen on opening up their travel policies are, not surprisingly, the emerging and newly ascendant economies including countries like China, In