The news: Meta is testing a modification of its in-stream ad transparency labels on Instagram and Facebook, switching its former “Sponsored” label to an “Ad” tag. The move is part of a broader app refresh and could eventually impact ad performance.

Why it matters: The updated tag will likely be more difficult for the average user to note while they’re scrolling. Meta told SocialMediaToday that the change will create a “cleaner, simpler experience” for users, but the change may also help ads feel more like organic content—which could benefit advertisers.

That shift could increase engagement by reducing the visual cues that typically signal paid content, potentially blurring the line between ads and posts in users’ feeds. However, it also raises questions about whether users can meaningfully distinguish commercial content in real time. This concern is notable given that a meaningful share of consumers—over one-third of those ages 18 to 34—favor clear platform disclosure tools like paid partnership labels, per Bazaarvoice.

Zooming out: The switch could also draw the attention of regulators like the European Commission (EC) amid a period of heightened scrutiny.

The EC has previously investigated Meta’s ad practices. It has frequently targeted Meta’s “pay or consent” model for violations of the Digital Markets Act; this regulatory pressure has already led to Meta restructuring its European ad system.

If the updated ad label means users can’t easily recognize sponsored content in real-time while scrolling, regulatory bodies could argue that Meta is reducing ad transparency. Users being less clearly informed on paid content could qualify as a deceptive interface design under the EU Digital Services Act.

Implications for marketers: The change could benefit ad performance on Meta by making paid content less obvious, especially if advertisers specifically design content to feel like organic posts. But potential scrutiny and backlash in key markets means marketers should monitor regulatory developments closely and avoid over-optimizing creative to blur the line between ads and organic content.

If regulators intervene, the change could be rolled back or modified, creating inconsistencies across markets. That would force marketers to navigate different ad disclosure standards and performance dynamics by region, complicating campaign planning and measurement.