Mark Zuckerberg, the CEO of Facebook, announced in March
2013 that he and Joe Green would co-found a political advocacy group made up of
the heads of major technology companies. The group would register as a 501(c)(4)
“social welfare” nonprofit—a designation that would allow the group to raise
and spend an unlimited amount of money in political lobbying and
advertisements. Both strategic and ethical implications exist.
The full essay is at "Taking the Face Off Facebook."