BuzzFeed will go public. Here’s what it told investors about the future of digital media.

One of the fun things about a media company going public is that it lets investors (and the rest of us) get a peek under the hood. BuzzFeed, which now includes HuffPost, Tasty, and the Pulitzer Prize-winning BuzzFeed News plus smaller brands As/Is (beauty), Bring Me (travel), Goodful (health), Nifty (home), and Playfull (parenting), announced...