One is not the other.
Believe it or not, there is more than one Mark Zuckerberg in the world. And even more than one on Facebook.
Mark S. Zuckerberg, the Indianapolis bankruptcy attorney, and not the founder of Facebook, has his Facebook account back after being told he couldn't have one.
But after proving who he was via a birth certificate, a driver's license and a copy of his Indianapolis Bar Association license, Mark S. Zuckerberg, the attorney, got his Facebook account back.