A creator whose video is being commented on live in front of someone else's audience has so far had to ask whether this is still a quotation or already someone else's business built on his work. YouTube is now bringing this situation inside the platform and giving it rules. The Watch With feature, which until now worked only for livestreams, is expanding to long-form videos.
How it will work
A React live button will appear on every eligible long-form video or livestream. „Whenever inspiration strikes, you can tap ‘React live’ on any eligible long form video or livestream to jump right into the conversations happening across the platform," the announcement says. The creator thereby starts their own livestream in which someone else's video plays and they comment on it. Shorts are excluded.
The expansion is part of a package YouTube presented on 23 September at Made on YouTube, where Watch With was mentioned only as one bullet point among the new features. It is due to launch by the end of the year, and according to PPC Land, the announcement came from Barbara Macdonald of the YouTube Live product team.
The money stays with whoever reacts
The split is what matters. The reacting creator keeps the ad revenue from the stream and the money from fans, meaning memberships and contributions sent during the broadcast. The author of the original video gets attribution, a counted view in Studio and control over which of their videos may be used this way.
In other words, someone else's work becomes a new monetised show, and the original author is paid in attention, not in money.
What YouTube has not clarified
YouTube has not clarified whether videos are available automatically or only with the author's consent. Tubefilter writes that the feature can be switched off in Studio settings, meaning it is opt-out. PPC Land, however, points out that YouTube did not say this explicitly in the announcement.
The definition of a counted view also remains open. It is not stated whether it will show up in the public counter, in AdSense revenue or in the Partner Programme thresholds. And those are being tightened from February 2027.
YouTube also did not clarify how the paid partnership label carries over. When a video with a sponsored segment appears inside someone else's stream, PPC Land notes that YouTube did not say in the announcement what happens to the label. For a brand that has paid for an integration, it is an open question where its message will run and under whose banner.
Watch With gives YouTube oversight and ad inventory
The reaction video is one of the cheapest forms of content, and for years it lived on the edge of the rules on reusing other people's work. By giving it a button of its own, YouTube gains visibility, control and ad inventory over it. It fits a shift in which the platform positions short video as television while changing the rules for what actually counts as a view.
Impact on labelling sponsored content in the EU
In the EU, stricter rules apply to labelling paid partnerships than in the US. When a sponsored video is played in someone else's stream through Watch With, it remains an open question who bears responsibility for the label being visible. The caption with the label stays with the original channel, and viewers of the reactor's stream will not see it.
For the contract terms of paid partnerships, this adds the question of where the video will be accessible and under whose banner. A campaign's reach can multiply in places the original contract did not anticipate with Watch With.
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