The ingredients of “The Social Network,” writer Aaron Sorkin (left), the best selling book “Accidental Billionaires, by Ben Mezerich, and director David Fincher (on right) by Henrick Vartanian 1.3k Views The ingredients of "The Social Network," writer Aaron Sorkin (left), the best selling book "Accidental Billionaires, by Ben Mezerich, and director David Fincher (on right)