Earlier this week, Mark Zuckerberg published a memo outlining his vision to build AI "superintelligence." Citing "safety concerns," he wrote that Meta would need to be "rigorous" about what it open sources and what it doesn't. The line stood out, as Zuckerberg has made open source pretty central to Meta's approach to AI.In fact, his comments differ from what he wrote almost exactly a year ago in a different memo titled "Open Source AI is the Path Forward." In that, he said that open source is crucial for both Meta and developers.The new memo is pretty meandering, and Zuckerberg followed up with comments on Meta's Q2 earnings call, saying that nothing had particularly changed. He said the company had always open-sourced some of our models and not open-sourced everything that we've done."This Friday, we've got a barrage of reviews with more coming later today. Are Meta's Oakley glasses worth the extra money? Should Insta360 be scared of DJI's new camera? Read on!- Mat SmithGet Engadget's newsletter delivered direct to your inbox. Subscribe right here!The news you might have missed