Joanna Stern

Visual hackers. Shoulder surfers. They're out there and spying on your phones and laptops. The good news? Screen protection tech is improving.

A stranger in a New Jersey garage showed Joanna Stern just how easy it is to disable a key feature on the gadget.

The tech giant didn’t blow anyone away with updates and upgrades at WWDC 2026. That was exactly the point.

NBC News Chief Tech Analyst Joanna Stern shares how she handled scammers who were targeting her with the best-selling author's persona.

AI voice-transcription tech is getting better and easier to use. So is it time to ditch the keyboard?

The tech giant told Joanna Stern it's cracking down on users' disabling a key privacy feature on the gadgets.

The ChatGPT maker is working on its own physical device, which is shrouded in mystery — and controversy.

Samsung gears up for a challenge from Apple. What's the difference between a Samsung Galaxy Z Fold 8 Ultra, Fold 8 and Flip 8? Two fold, one flips and all three unfold your wallet. (Sorry.)

One veteran technologist called it a “sci-fi scenario,” while others said it's an example of what happens when humans underestimate what cutting-edge AI can do.

Getting “AI slop vibes”? Here are the best ways to figure out if that email was written by a human.