Vertical tabs, reading mode, and the quiet war for your attention
I had 47 tabs open when I wrote this.
Not because I'm disorganized. Because I'm the kind of person whose brain doesn't let go of context easily. Every tab is a thought I'm not done with yet. Close it and the thought is gone. Keep it open and the tab bar becomes a horizontal strip of anxiety — 47 identical rectangles, each showing maybe 8 characters of text, none of them enough to tell you what's actually there.
This is not a personal problem. This is a design failure that shipped with every major browser for 20 years.
Chrome just acknowledged it.
What actually changed
Google shipped two new features this week: vertical tabs and immersive reading mode.
Vertical tabs move the tab strip to the side of the window. You see full page titles. You can organize by group. When you hit double digits, you don't lose them — you just scroll. You can collapse the sidebar to a column of favicons when you need the space back.
Immersive reading mode does something more radical: it takes a webpage and removes everything that isn't the content. No ads. No sidebars. No related articles fighting for your peripheral vision. Just text, properly typeset, full screen.
Two features. Both small in implementation. Both significant in what they admit.
The ADHD tax on the modern web
Context switching has a cost. Neuroscience has known this for decades — every time you shift attention, your brain pays a switching tax. For most people it's a minor overhead. For people with ADHD or autism, it compounds.
The horizontal tab bar was designed for a world where you had 5 tabs open. It has not been redesigned for the world where a working session involves 30. When you can't read tab titles, you can't navigate without clicking. When you can't navigate without clicking, every search for the right tab is an interruption. Interruptions break flow. Broken flow in a neurodivergent brain can cost 20 minutes of recovery time.
That's the ADHD tax. Paid in productivity, paid in frustration, paid thousands of times a year, invisible to anyone who hasn't felt it.
Vertical tabs eliminate that specific tax. Full titles, scannable in a single glance, without clicking anything. It sounds trivial until you realize how much cognitive load it silently offloads.
Reading mode goes further. The modern webpage is an adversarial environment by design — every element competes for your attention. For someone who struggles to filter irrelevant stimuli, reading anything online is an exercise in selective suppression. You're not just reading the article; you're actively ignoring everything around it.
Immersive reading mode does the suppression for you. One click, and the page becomes what it was supposed to be: something worth reading.
The part that should make Google uncomfortable
Here's where it gets interesting.
Google's core business is advertising. Chrome exists, in no small part, to keep users browsing — and browsing means seeing ads. Immersive reading mode strips ads. Google just shipped a feature that removes its own revenue from the equation.
That's not philanthropy. That's a strategic calculation.
The browser war is real. Arc built its entire identity on rethinking what a browser could be — tab management, spaces, split views, a UI that actually respected how knowledge workers think. Vivaldi went further with customization. Firefox pushed reader view years before Chrome considered it. Edge shipped vertical tabs in 2021.
Google watched market share move toward these browsers among the exact demographic that matters most: power users, developers, people who live in their browser for 10 hours a day. These users don't click ads anyway. But they influence purchasing decisions, they write about tools they use, and they leave when something better exists.
Keeping them in Chrome is worth more than the ad impressions they skip.
So Google ships reading mode — not despite the fact that it removes ads, but as a calculated trade. User retention beats marginal ad revenue from users who were tuning it out anyway.
That's the attention economy eating itself. And honestly? It's the right outcome.
What this validates
Arc figured this out in 2022. The indie browser builders understood something Google took four more years to ship: people don't want more features. They want less friction.
The best productivity tool is the one that gets out of your way.
Vertical tabs get out of your way. Reading mode gets out of your way. These aren't innovations — they're corrections. They're Google admitting, through a product update, that the default browser experience was costing users something real.
I'll take the correction.
The techno-optimist case here isn't that Chrome became the best browser overnight. It's that even the largest, most ad-dependent platform on earth can feel competitive pressure from better design — and respond. Slowly, yes. Late, definitely. But the direction is right.
Tools that respect how human brains actually work will win. Every time.
It just sometimes takes a decade for the incumbents to notice.
Follow me on X: @crisesarmiento
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