By Cat Barton
BUON MA THUOT, Vietnam, April 17, 2013 (AFP) -- Most Vietnamese coffee farmers have never heard of a double tall skinny latte, but they could tell you the price of the beans that go into one in their sleep.
From high-tech Israeli irrigation systems to text message updates of global prices for the commodity, coffee farming in Vietnam's Central Highlands has come a long way since the French first introduced the bean over a century ago.