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Will smartphones & tablets take the place of PCs?

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For the first time ever, Americans used smartphones and tablets more than their PCs to access the internet last month.

According to data from comScore Inc., mobile devices accounted for 55% of internet usage in the United States in January.

Apps made up 47% of web traffic. Mobile browsers made up 8%.

Personal computers represented 45% of web traffic.

The shift follows a historic free fall in PC sales last year.