Study shows how to get Facebook friends. Questions power of influence

Researchers at Harvard have been analysing the reasons people are friending each other on social networks, presenting that those who share common interests in music and movies are most likely to be-friend each other.  Similar book tastes, however, do not influence this decision whatsoever.

The study analysed and collected data from a group of college students (who self-reported for the experiment) over a course of four years.