iPhone Duo Reviews Are In, Meta's Muse Hits 10M Users, and PHP's AI-Discovered Flaws

The most striking moment in today's tech news came from John Gruber, of all people, delivering the harshest verdict on Apple's new foldable: the iPhone Duo, when closed, is "the worst iPhone Apple has ever made." That line cuts through a day otherwise dominated by Meta's surprisingly successful AI agent app, Anthropic's new proactive background agent, and the sobering reality that AI both discovered and made dangerous a pair of decades-old PHP vulnerabilities now threatening tens of millions of websites.

The iPhone Duo: Polished Prototype or Future of the iPhone?

The iPhone Duo reviews landed Thursday, and the consensus is more divided than Apple typically sees for a flagship product. The Verge's Neel Patel captured the tension: the Duo is "expensive, full of compromises, and can be incredibly frustrating to use," yet also "fun in the way the best early adopter devices are fun." The core problem is that the outer display is simply too small to use comfortably, which paradoxically means you want to open it all the time — the opposite problem Android foldables face, where inner screens aren't useful enough to justify unfolding.