Grammarly evolves into Superhuman

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☕ Good morning,

The tech world right now feels like watching everyone frantically renovate their houses while the neighborhood is still figuring out what a house should even be.

YouTube's polishing pixels, Fitbit's hiring AI personal trainers, and Grammarly just decided it wanted to be your entire operating system instead of just spell-checking your emails.

_{—Here’s to the first sip.}

TODAY IN AI
YouTube adds AI upscaling to TVs

YouTube’s giving its TV app a big AI boost. The platform’s rolling out AI-powered upscaling that automatically upgrades lower-quality videos anything between 240p and 720p to HD. So if you’re watching an old or low-res upload on your TV, it’s going to look way sharper without anyone doing extra work. YouTube says 4K upscaling is coming soon too, but both creators and viewers can opt out if they prefer the original look.

They’re also expanding thumbnails from 2MB to 50MB so creators can upload full 4K preview images, and testing larger video uploads with select channels. On top of that, there’s a new shopping feature if a video has tagged products, you’ll be able to scan a QR code on your phone right from the TV and buy it instantly.

For browsing, YouTube’s improving TV search and home previews, making it easier to flip through channels and find videos from creators you actually follow.

YouTube says the TV screen is now its fastest-growing surface, and these updates are all about making videos look better, shop easier, and feel more immersive.

TECH BARISTA
Fitbit’s new AI Coach makes workouts personal

Fitbit’s new AI Coach, powered by Google’s Gemini, is finally rolling out for Premium users on Android, with iOS coming later this year. It’s basically Fitbit’s version of a personal trainer, sleep coach, and wellness advisor all in one.

The idea is simple you tell Coach your goals, what equipment you have, and what you want to improve, and it builds a personalized fitness plan. It can even adjust your workouts in real time based on your progress or how your body feels. If you get injured or skip a few days, it updates your plan automatically.

Coach also helps with sleep by analyzing your patterns and giving you simple insights to get better rest over time. Alongside this, Fitbit’s app got a fresh redesign with four main tabs Today, Fitness, Sleep, and Health making it way easier to navigate. You can track everything from your cardio load to your resting heart rate, and customize what you see on your dashboard.

Some things like nutrition tracking and cycle logging aren’t here yet, but this update already makes Fitbit feel smarter and more useful. If you’ve got a Pixel Watch or Fitbit device, you can try the new AI Coach starting now.

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GADGETS BARISTA
Insta360 X4 Air brings 8K for $400

The Insta360 X4 Air just dropped, and it’s basically the best mix of performance and price you can get right now for a 360 camera. It shoots in 8K at 30fps, which is wild for a camera that starts at $400.

It’s using dual 1/1.8-inch sensors, so you’re getting a big bump in image quality compared to older models. You can also shoot in 6K or 4K if you want smoother frame rates, and snap 29MP photos that look super crisp.

The camera’s built to be practical too it has replaceable lenses, a built-in wind guard, and works with Insta360’s magnetic mounts for quick accessory swaps. It’s lighter than the X4 and X5 and is waterproof up to 15 meters, or 60 meters with a dive case.

Battery life is solid, giving you about 88 minutes of 8K recording, which is plenty for vlogs or travel clips. It comes in Graphite Black and Arctic White, and if you want the full setup, the “No Drone No Problem” bundle adds a long selfie stick and lens cap for $506.

STARTUP BAR
Grammarly becomes Superhuman

Grammarly got a massive rebrand it’s now part of Superhuman, joining forces with Coda, Superhuman Mail, and a new AI assistant called Superhuman Go. Everything now lives under the Superhuman name, turning Grammarly from a writing tool into a full-blown AI productivity platform.

If you’ve got a Grammarly Pro subscription, you’ll automatically get access to the new Superhuman suite, including Superhuman Go, which will stay free until February 2026. Pricing after that isn’t confirmed yet.

The old Grammarly you know still exists, but it’s no longer the star of the show. The focus now is on a browser-wide AI agent system that connects with over 100 apps think Google Calendar, Gmail, and databases to help you manage tasks, meetings, and writing, all in one place. So instead of just checking grammar, the AI can now schedule meetings, fix a pitch, or pull data from your tools automatically.

Superhuman Go’s interface will look familiar, with that same Grammarly-style sidebar for prompts and suggestions, but it’s now part of a bigger ecosystem with an AI Agent Store where you can pick assistants for different apps. Grammarly itself is just one of those agents now.

Superhuman’s Chief Product Officer says this shift isn’t about killing the Grammarly brand, but about expanding its role. Instead of just correcting sentences, the goal is to make AI genuinely useful across your entire workflow.