Simply upload a video and ask something like, 'Was this generated using Google AI?' Gemini will scan for the imperceptible SynthID watermark across both the audio and visual tracks and use its own reasoning to return a response that gives you context and specifies which segments contain elements generated using Google AI.
For years, "know your customer" checks have become commonplace on the internet, often by way of sharing a copy of your government-issued ID and a selfie to confirm that it's really you, to access a website or app, or to purchase certain goods. Nowadays, age verification laws taking effect across the U.S., the United Kingdom, Australia, and beyond are also giving rise to an entire industry of ID-checking companies charged with granting you access to the "adult" web.