How many hours a day does the average american spend on social networking?

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Answer by SweetLife24

Not sure about social networking but I found this answer on: http://www.atelier-us.com

The average American adult spends eight and a half hours a day in front of a screen, whether it’s on a computer, TV, mobile phone or other gadget.

Users who spend the most time in front of a screen are those in the 45-54 age group, who dedicate nine and a half hours to this per day.
These are the results of a new study by the Nielsen-funded Council for Research Excellence (CRE) and Ball State University’s Center for Media Design (CMD).