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We asked for your guesses as to the identity of the mystery billionaire mentioned in Michael Wolff's Vanity Fair article, and you adroitly caught on to the resonant void of the name(s) we didn't float ourselves. The key bits of trivia were "appropriately larger-than-life character, remarkably fit" and "he knew nothing whatsoever about the newspaper business, or news. Zip. Nada." Aside from unlikelies such as Warren Buffett and Edgar Bronfman Jr., the most cogent guesses after the jump.

Can't think of many "remarkably fit" billionaires, as they're usually fairly doughy, what with all the life essence they ingest to keep their bitter bodies working, Skeksis-style ...Could it be [Richard] Branson?

I find it difficult to believe he'd invite someone as douchey as Wolff to chat, but maybe that just means he's serious. I say Mark Cuban.

Mark Cuban, December issue of Esquire: "I'd get into places where people are so afraid right now that the economics dominate the common sense. I'd get into a business like newspapers - local newspapers. Newspapers are a perfect example of how economics dominate common sense. Contrary to popular belief, newspapers aren't dying. Newspapers are making tons of money."

What about Mark Cuban? ... He is sort of fit, has a very large character, and bought the Dallas Mavericks (a business he knew nothing about) after he sold broadcast.com.

Wait...is nobody else going with Diller? Wolff in talks with IAC, long history with one another, etc. Seems pretty obvious to me. No?

Branson's the obvious go-to when anyone mentions "fit" and "larger than life" due to his Trumpian ego and manly exploits. But perhaps the key is actually the word "remarkably," as in its remarkable that someone Diller's age (he's almost 65) is still fit. Though he hasn't been a newspaper guy, Diller's long history in broadcasting might make it unfair to say he knows "zip, nada" about news, even though his experience is entertainment broadcasting. Mark Cuban, however, could fit the bill nicely, especially in terms of his self-styled maverick image tolerating the kind of subordinate kibbitzing ("He's probably the leading expert in buying businesses he knows nothing about.") that Diller notoriously frowns on. We call this one a Diller-Cuban toss-up for now.

Earlier: Blind Item Guessing Game: Michael Wolff's Mystery Billionaire