How does facebook determine the suggested friends?
What Guys Said 1
They do social network mining to find people with similarities. You probably both went to the same high school, live in the same city, are around the same age, and the fact that you are stalking him and clicking on his link over and over is making the algorithm think you keep looking at his page because you have common interests.
What Girls Said 1
The fact that you keep stalking them, common friends, common interests etc.
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