How to calculate the amount of time spent in social networks?

Time magazine began the operation of counting the wasted time in Facebook. The app is a kind of calculator that considers the number of social network time based on timestamps in the posts of the user.
Though Facebook does not display data when the user went and when he got out of the program, it does not mean that administrators have it no: app Time, for example, can calculate the approximate time that was spent there, even from the day of creation of the profile.
            


This app is created for the 10th anniversary of Facebook network, if you count from February 4, 2004 — the time when mark Zuckerberg with friends in the dormitory had invented a new method of connecting people on the Internet. During these ten years the social has attracted 1.1 billion users.

        See also: Devices that help to save time





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