And sent 271 million messages per day. Is the cell phone service more popular. In the country exploded in 2004 and since then grows at an annual rate of between 20 and 25%. People use it because it is faster and cheaper than talk.   The SMS, the short message, written, sent from cell to cell, has two decades andalready used 4 billion people around the world. In Argentina the initial developmentwas slow, but then exploded. In recent years the growth, although somewhat less, is maintained at a rate of between 20 and 25%. According to the [...]