The Impact of the iPhone5 on the US Economy

J.P. Morgan’s chief economist, Michael Feroli, estimated sales of the iPhone5 could boost annualized GDP growth in calendar Q4 by 0.25 to 0.5 percentage points.  You can read more here.

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A Comparison of PSTN and IP Traffic From 1997 to

The following was published in January 2008: Throughout the history

You can read the entire study here.