Billionaire Facebook co-founder Mark Zuckerberg (and our first millennial CEO), Carl Icahn, and 15 others have joined the Giving Pledge, a philanthropic initiative started by Bill and Melinda Gates and Warren Buffet.

According to the New York Times Dealbook blog, the Giving Pledge has been criticized as a publicity stunt. This criticism was also leveled at Zuckerberg when he donated $100 million to Newark schools in September. If it is a publicity stunt, it’s a pretty good one.

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'Rabbit Hole' starring Nicole Kidman is a Lionsgate film opening this month.

Carl Icahn is taking his hostile bid for entertainment company Lionsgate to the Web.

Icahn has launched SaveLionsGate.com, which lays out a 27-page presentation about why the company needs change. Moreover, Icahn pulls a WikiLeaks-style maneuver, including e-mails and texts between studio executives in the document, The Wrap reports. He currently owns about a third of the company. His hostile takeover bid has been ongoing for much of the past year.

Icahn has a number of suggested board members that will be voted on during the company’s annual meeting is on December 14.

Lionsgate divisions cover films, home entertainment, television, and more.