Vox Media's Jim Bankoff is selling his company's podcast network, along with Vox.com and New York Magazine, to James Murdoch. Chris Saucedo/SXSW Conference & Festivals via Getty Images Vox Media is splitting itself into two and selling half to media heir/investor James Murdoch. Murdoch is buying Vox's podcast network, along with Vox.com and New York Magazine. What does that tell you about the future of Vox Media's other properties — and web publishing in general? I asked Vox CEO Jim Bankoff. J