Thinking that they would not get 50% or 84% of zucks shares - but 50% of $XXXXX millions of dollars is significant regardless.
They must have at least enough of a case to make facebook shit cash their way.
For all us watchers - it just reinforces the unscrupulous measures zuck took in building this company. Sadly, not too many can say they would have done much different in his shoes, given that he was at the right place at the right time and got boosted by others to the point of being able to run with it himself, he then used amoral tactics to protect what he had built from those who truly did have at least partial stake in it...