Google Just Let You Delete The Evidence

Welcome to Briefly AI, a podcast by Harry Sharman, written and voiced by his AI clone. No filler, no hype — just what actually happened in AI this week, put together by a man who now outsources his own opinions to a machine.

Right, quick one for you to actually go and do this week. Google has quietly added a switch inside Gemini and Flow — that's their AI video tool — that lets you strip the little sparkle logo off anything you generate. Images, video, even AI music. One toggle, and the visible "made by AI" badge just... isn't there anymore.

Here's the short version of how it works, according to reporting in The Verge and TechCrunch this week. Up until now, if you made an image or a video with Gemini or Flow, it came stamped with a small sparkle icon in the bottom corner — a visible flag saying "this was AI-made." Fine for a laugh on social media, less fine if you're trying to use the thing in a client deck or a proper design. Google's new setting, tucked into Gemini and Flow, lets you switch that visible stamp off. Flip it, and your export comes out clean.

Now, the bit that matters, and the reason this is worth five minutes of your Sunday rather than a shrug: turning off the visible watermark does not make the file untraceable. Google still embeds something called SynthID — an invisible, baked-into-the-pixels marker that identifies the file as AI-generated, regardless of what you do with the visible logo. You can't see it, you can't easily strip it, and Google's own verification tools can still read it. So what you're actually switching off is the badge, not the fingerprint.

Let's make this concrete, because that distinction is the whole episode. Say you're putting together a slide deck for a client on Monday and you've generated a nice header image in Gemini — maybe an abstract shape for a title slide, nothing dramatic. Old version: sparkle logo sitting in the corner, mildly annoying, looks a bit AI-slop-y next to your carefully chosen fonts. New version: go into Gemini's settings, find "Media watermark," toggle it off, regenerate or export, and the image comes out looking like any other asset. Same trick in Flow if you're cutting together a short AI video for a pitch — export without the little in-corner branding. That's it. That's the whole workflow. Ten seconds, and your assets stop looking like they came with a sticker still on them.

Where it breaks down — and this is the honest bit — is if you're using that clean export to imply something you shouldn't. If a colleague asks "did you make this yourself?" and you say yes, the invisible SynthID marker doesn't care about your conscience, but it will still tell any platform that checks. Stock photo sites, some newsrooms, increasingly some ad platforms, are starting to run AI-detection passes using exactly this kind of embedded marker. So if your plan was "turn off the watermark, quietly pass this off as human-made," that plan has a hole in it. What Google's actually built here is a system where the polite, visible disclosure is optional, but the forensic one isn't. Which, if you think about it for a second, is a fairly sensible way to handle this — creators get clean-looking work, and the accountability trail doesn't disappear just because you didn't fancy the badge.

There's a Beautiful Thinking piece that's stuck with me on this — the one arguing you learn more about a tool from two minutes of actually poking at it than from hours of reading takes about it. This is a perfect two-minute test. Don't just take my word for the toggle existing — open Gemini, find the setting, make one image with it on and one with it off, and look at them side by side. You'll learn more about how comfortable you are with the whole AI-disclosure question from that thirty seconds than from any op-ed on the subject, mine included.

Practically, who actually wants this? Anyone making assets for real work — marketers, designers, anyone building a deck, a thumbnail, a bit of B-roll — who's tired of a random sparkle photobombing their otherwise clean output. It's a genuinely small, sensible feature. The interesting part isn't the toggle itself, it's what it tells you about where this is heading: the visible watermark was always more theatre than protection anyway — a badge for the casual scroller, not a safeguard for anyone determined to mislead. The real accountability was always going to live in the invisible layer. Google just made that split official.

So here's your one thing for the week: go turn it off once, look at the difference, and then decide for yourself whether a clean export changes how honest you're being about what you made — because the file, quietly, already knows the answer.

That's the news, filtered down to what actually matters this week. Back tomorrow, same arrangement.