interwebs contribute to the Uncle Sam's bottom line? Thanks to the Boston Consulting Group, now you don't have to. It's estimated the net contributes a cool $684 billion to the US gross domestic product. That's roughly 4.7 percent of US GDP, the same tranche as its effect on Japan's economy, but less than the 5.5, 7.3 and 8.3 percent clocked in by China, South Korea and the United Kingdom, respectively. And per the report, the internet is just getting started, with future growth expected to hit eight percent on average by 2016 for developed countries, and well north of 20 percent in booming economies like those of Argentina and India. Hit the source for the full report.