The poster child of native advertising, BuzzFeed, has now been joined in the trend by, well, pretty much everyone. We sit down with EVP of Business Operations Eric Harris to discuss the social news publisher's second act. How does the BuzzFeed formula contend with relentless competition? Are these formats translating effectively to mobile, video, and visual social channels? And now that the social channels are clogged with native links, is the shared news economy suffering fatigue yet from list-ification, cute cats, breathless headlines?