Hi social analyst 👋
We've all seen it by now: a brand leaves a comment on someone else's viral post, and somehow that comment ends up outperforming half of the brand's own content.
While often it might look off the cuff, it’s a strategy - and more and more teams are building it purposefully.
This week we’re breaking down outbound commenting: the growing practice of intentionally engaging in other people's comment sections to reach new audiences.
Why it works, where brands get it wrong, and how to do it without sounding like a brand trying too hard.
Let’s get into it 👇
— Brett
From the feed: Are comment sections the new outbound channel?
There's a shift happening in how brands think about distribution, and it's got nothing to do with posting more. It's about showing up somewhere else entirely: someone else's comment section.
As organic reach becomes harder to earn and audiences spend more time in comment sections, brands are looking beyond their own feeds for attention.
For years, brand replies were mostly reactive. Someone tags you, you respond. A customer complains, you handle it publicly. What's changed is that social teams have started treating other people's comment sections as an extension of their own channel - actively looking for relevant posts and getting there before the algorithm forces them to.
Pepsi, American Eagle, and JCPenney have all built a presence this way, and the numbers back it up: American Eagle pulled 50K likes on a single reply, without posting anything themselves that day.

Part of why this works is where the reach actually comes from. A well-placed comment on a high-performing post can land in front of an entirely different audience than a brand's own page ever would.
Fabletics learned this when a single comment on a viral video pulled 236K likes of its own - the comment became the content, for an audience that might never have found the brand otherwise.
Done well, this builds genuine brand equity in places a brand doesn't own. Done poorly, it feels opportunistic - or worse, distracts from the original conversation.
Here's how the teams getting it right are approaching it:
1. Look for relevance, not just reach
High view counts don't automatically make a post worth engaging with. A smaller post with a highly engaged, on-brand audience will consistently outperform a viral moment where a brand has no real reason to be present.
Panera Bread's reply to a mother-son video - offering the family a free soup date - worked because it fit naturally into the moment, not because the original post had the highest view count on the platform that day.
So instead of thinking “how much reach could this give us?”, ask yourself "does our brand actually belong here?"

2. Read the room before you engage
Finding a relevant post is only half the job. Even when a post is a clear fit, it might not be the right moment to get involved.
Understanding the tone of the conversation, the sentiment in the comments, and whether there's a genuine opening for your brand to add something is what separates a comment that lands from one that feels forced.
Skip that step, and even a relevant comment can miss the mark.
One pattern we've noticed from analyzing thousands of comment sections is that the best-performing brand comments rarely try to steal attention, they extend the conversation that's already happening.
3. See what happens after you comment
The teams doing this well aren't stopping at the comment itself. They're monitoring what happens next: the replies it generates, the sentiment underneath it, the language people use once they notice a brand showed up.
This is the piece that turns outbound commenting from a vague brand-building exercise into something that can actually be reported on and optimized, the same way any other channel gets measured. Proving the effectiveness of this is only going to grow in importance.

The TL;DR
Comment sections that don't belong to a brand are becoming a genuine distribution channel - sometimes more valuable than a brand's own page because the audience is already engaged and paying attention.
The comment section is no longer just where conversations happen after content is published. Increasingly, it's becoming a place brands intentionally publish into.
The teams that learn how to participate naturally - and measure the impact afterward - will have an advantage as social continues becoming more conversational.
Pulse check
How often does your brand comment on posts you don't own?
On our radar
If you needed more proof that outbound commenting is officially a thing, Gary Vaynerchuk just confirmed it.
Trend watch
What the Siftsy team has been reading, saving, and talking about this week.
from Financial Times
Thanks for reading The Signal.
If something here sparked a thought or reaction, drop it in the comments (aka reply back here).
See you next week,
Research and editorial support by Amy Watts





