Mark Zuckerberg

Adam Mosseri, Instagram’s chief doesn’t often respond to critics. When I wrote that his year-end memo cast Instagram as a future referee of reality, he pushed back on Threads. He called it an overstatement and then laid out the need for “credibility signals,” tools to prove content authenticity, and industry-wide verification. That isn’t a rebuttal; it’s reframing. Instagram may not want the label “arbiter of reality,” but it seems content to take on the role.

In an earlier essay, I argued that the social internet, with Instagram as the primary example, was shifting for the third time: from social graph to interest graph to what I called the trust graph. In this model, the platform decides what counts as real and prioritizes “who” over “what.”

The reason? AI makes “authenticity infinitely reproducible.” Instagram can no longer trust its feed or its images. The direction is clear: Instagram aims to control not only what you see but also what is real enough to be seen. The open question is whether audiences will accept the platform as a trustworthy guide in an era of visual doubt. We are already seeing a distorted reality in which AI fakes fool millions. Of course, you’ve heard of Mia Zelu, the fake