The villagers of santi suk launched their currency , which they called " bia , " the local dialect word for " seedling , " in the wake of the 1997-98 crisis .
To sustain facebook 's valuation , jed williams , an analyst with bia kelsey , said the company would need to grow revenue at 41 % each year in the next five years .
Such businesses currently spend about $ 20 billion annually online -- including for ads on google 's search engine -- but are expected to shell out more than $ 35 billion by 2014 , according to bia / kelsey , a local-media advisory firm .
