The Social Network is a caricature, but sometimes caricatures do capture the essence of a person, and in the case of The Social Network, the caricature works.
As Facebook continues to shape norms online, it is worth remembering the premise that it was built on. The young Zuckerberg thought nothing of conscripting people's pictures and personal information into his web experiments.
After watching the film, I don't think less of Zuckerberg. If anything, it gave me a better appreciation for his genius -- not just as a nerdy coder but as one of the first people to truly understand the power of social media.