DMs are the new feed — the platform is going private, and the signals prove it

You posted a Reel last Tuesday. It got 2,000 views. You posted another Thursday. Same format, same audio, better hook. It got 600 views. You check the insights. They look identical. You scroll back through your last twenty posts. The ones people sent to each other did better than the ones they just liked.

That is not a feeling. Instagram says so in writing. And the whole platform is being rebuilt around it. On a platform three billion people open every month, that changes how anything gets seen. Every claim below is linked, quoted and dated from a primary source.

Instagram's ranking documents confirm it: sends are a signal

Meta publishes a page for each part of Instagram. Each page explains how that part decides what to show you. Meta calls them system cards. They are the closest thing to official documentation the algorithm has.

The Feed system card lists the signals Instagram watches when it decides whether to show a post to more people. A signal is one fact the software reads about you or about the post. Here is what it says, quoted in full:

How likely you are to share a post with someone in a direct message

And:

Whether you open the post's share sheet and select someone to send it to

Both lines appear in the Instagram Feed system card, stamped June 29, 2026. Retrieved August 18, 2026. Meta is watching whether you hit the send button. It is watching whether you pick a name. And it is using those two things to decide what to show next.

The Reels card says the same thing. From the Instagram Reels system card, stamped November 11, 2025:

How likely you are to reshare a reel

And:

How likely you are to share a reel off of Instagram

A reshare means you sent it to someone on Instagram. Share off means you copied the link and sent it somewhere else. Instagram ranks content partly on whether people pass it around. That is in the official documentation now.

The thing people keep saying that we could not verify

You may have heard that sends now matter more than likes. Some versions say sends carry three to five times the weight of a like when Instagram decides whether to push a post to people who do not follow you.

We went looking for where that number came from. It appears in one article, on Influencer Marketing Hub, with no source link and no method. It does not appear in any Meta document we read. It does not appear in any statement from Instagram we could find. And it does not appear in any peer-reviewed study.

That does not mean it is false. It means we cannot prove it. So we do not repeat it.

What we can prove is that Meta lists sends as a signal in its own ranking documents. And we can prove that every major feature Instagram has built since 2019 makes private sharing easier.

Zuckerberg called it in 2019

On March 6, 2019, Mark Zuckerberg published a 3,000-word essay. Its title: A Privacy-Focused Vision for Social Networking. Forbes and TechCrunch both reported it that day. Both quoted the same line:

Private messaging, ephemeral stories, and small groups are by far the fastest growing areas of online communication.

Ephemeral means it disappears after you see it. Instagram Stories vanish after 24 hours. That is ephemeral. A message you send to three friends is a small group. Zuckerberg was saying, in 2019, that public posting was slowing down. Private sharing was taking over.

He was right. By October 2020, WhatsApp was delivering 100 billion messages per day. TechCrunch reported that number on October 29, 2020. The source: Zuckerberg's Q3 earnings call. WhatsApp's head, Will Cathcart, confirmed it the same day.

Instagram is smaller than WhatsApp. But the trend is the same. People are sharing more in DMs than they are posting in public.

Instagram's CEO said people were avoiding the Feed

Kevin Systrom was Instagram's CEO until 2018. In August 2018, he sat down with Vox's Kara Swisher for an interview. The full transcript ran on August 8, 2018. Systrom said people were posting more to Stories and sending more DMs. The reason: they did not want to post something that would look wrong in the Feed. Here is the quote:

People were sharing more through Stories and DMs to avoid violating the norms of the Feed.

Norms means unwritten rules. The Feed had rules about what looked good there. A polished photo with a caption belonged. A blurry video of your dog did not. So people stopped posting the blurry video to the Feed. They sent it to five friends instead. Or they put it in a Story where it would vanish in a day. The space they left did not stay empty. Instagram filled the Feed with posts recommended from accounts they had never followed. The two halves moved together: the public surface filled with strangers, and the conversation moved to the inbox.

Instagram Stories launched in August 2016. By June 2018, it had 400 million people using it every day. That number is from Business Insider, June 2018. The source: Instagram's own announcement. Stories grew faster than the Feed ever did. And Systrom was saying, out loud, that people were using it to avoid the Feed's pressure.

Every feature since then makes private sharing easier

Look at what Instagram has built in the last five years:

Broadcast Channels launched in February 2023. A creator sends a message. Thousands of followers get it as a DM. They cannot reply in the channel. But they can DM the creator directly. It is one-to-many messaging, not posting.

Notes launched in December 2022. A short text status that appears at the top of your DMs. It is not in the Feed. It is not in Stories. It lives in the message inbox. That is where Instagram put it.

Close Friends was expanded in 2022. You can now post a Story or a Reel to a private list instead of everyone. Instagram reminds you to use it every time you post.

Group Profiles were announced in December 2022. A shared profile for a small group of friends. Everything posted there is private. Meta announced it on December 13, 2022. The same post announced Notes and updates to Close Friends.

None of these are Feed features. None of them are public-first. They are all built to let you share something with ten people instead of ten thousand. Instagram is giving you tools to go private. And it keeps building more of them.

What this means if you optimize for likes

We cannot tell you how much a send is worth against a like. We do not have the ranking weights. Meta does not publish them. But we can tell you Meta is watching sends. And Meta has built five years of features to make sending easier. A platform does not rebuild itself around a behavior it plans to ignore.

Does that mean likes do not matter? No. The Feed card still lists likes as a signal. The Reels card does too. But when a platform's CEO says private sharing is the fastest-growing behavior, when the company builds a dozen features to make that behavior easier, and when the ranking documents list "whether you send this" as something the algorithm watches, you would be a fool to optimize only for likes.

What we could not determine

We tried to answer a bigger question than what is written above. Here is how far we got and where we stopped:

Whether more content is shared privately on Instagram than publicly. We found growth rates for private features. We found Zuckerberg saying private sharing is growing faster. We found Systrom saying people were shifting to DMs. But we did not find a single source that states, in numbers, how much content is sent via DM compared to how much is posted to Feed or Reels. Meta has never published that comparison. Neither has any peer-reviewed study we could find.

What the ranking weights are. The system cards list what Instagram watches. They do not say how much each signal matters. A claim that sends are weighted 3-5x more than likes is circulating widely. We could not trace it to a Meta statement, a Mosseri post, or a disclosed method. Until we can, we do not repeat it.

Whether WhatsApp's 100 billion messages per day has grown since 2020. Some sites claim 150 billion as of 2026. Those sites cite no Meta announcement and no official figure. The last verified number we found is 100 billion from October 2020. We stuck with what Meta confirmed in writing.

Whether Adam Mosseri confirmed the three most important ranking factors in January 2025. Ten articles say Mosseri confirmed that watch time, likes per reach, and sends per reach are the three most important signals. Not one of them links to Mosseri's actual statement. We checked his Instagram account. We checked his Threads account. We checked Meta's press page. We found nothing. So we left it out.

How we did this

We read four Instagram system cards published by Meta: Feed, Reels, Explore, and Stories. We read archived copies of the Feed card going back to June 2023 using the Internet Archive. A web archive saves copies of pages on specific dates. Anyone can see what changed.

We searched for every article claiming to quote Adam Mosseri on ranking weights. Ten articles said he confirmed in January 2025 that sends per reach is one of the three most important signals. Not one of them linked to Mosseri's actual statement. We checked his Instagram account, his Threads account, and Meta's press page. We found nothing. So we left it out.

We read Zuckerberg's 2019 essay as reported by Forbes and TechCrunch. We read the Vox interview with Kevin Systrom. We read Meta's newsroom announcements. Every quote in this piece is verbatim. Every date is from the source we opened. If we could not open a page or could not find a primary source, we said so.

All sources were retrieved on August 18, 2026.

The shift is real, even if the volume comparison is not proven

The Feed was the whole product once. Now it is one surface among six. The thing people do most on Instagram may not be posting anymore. It may be sending.

Instagram's own documents confirm the platform is watching whether you send a post. The features it has built since 2019 all make private sharing easier. And the CEO said, seven years ago, that private sharing was already the fastest-growing behavior.

You cannot make the Feed care about your post. But you can make something people want to send. That is not a tip. That is what the signals say.

Sources

1. Instagram Feed AI system card — Meta Transparency Center, stamped June 29, 2026. Retrieved August 18, 2026. https://transparency.meta.com/features/explaining-ranking/instagram-feed

1. Instagram Reels AI system card — Meta Transparency Center, stamped November 11, 2025. Retrieved August 18, 2026. https://transparency.meta.com/features/explaining-ranking/instagram-reels

1. Mark Zuckerberg, A Privacy-Focused Vision for Social Networking, March 6, 2019. Reported by Fernando Alfonso III, Facebook: Mark Zuckerberg Privacy Vision, Forbes, March 6, 2019. https://www.forbes.com/sites/fernandoalfonso/2019/03/06/facebook-mark-zuckerberg-privacy-vision/ — and Josh Constine, Facebook's Mark Zuckerberg outlines his vision for a privacy-focused social network, TechCrunch, March 6, 2019. https://techcrunch.com/2019/03/06/facebook-mark-zuckerberg-privacy/

1. Sarah Perez, WhatsApp is now delivering roughly 100 billion messages a day, TechCrunch, October 29, 2020. Source: Mark Zuckerberg's Q3 2020 earnings call and Will Cathcart confirmation. https://techcrunch.com/2020/10/29/whatsapp-is-now-delivering-roughly-100-billion-messages-a-day/

1. Avery Hartmans, Instagram Stories now has 400 million daily users, Business Insider, June 2018. Source: Instagram's official announcement. https://www.businessinsider.com/instagram-stories-400-million-daily-active-users-2018-6

1. Kara Swisher, Instagram CEO Kevin Systrom on Stories, IGTV, and the future of Instagram, Vox / Recode, August 8, 2018. Full transcript. https://www.vox.com/2018/8/8/17664376/instagram-kevin-systrom-facebook-stories-kara-swisher-interview

1. Meta Newsroom, Meta's new features help you connect with close friends and family, December 13, 2022. Source of Group Profiles, Notes, and Close Friends updates. https://about.fb.com/news/2022/12/metas-new-features-help-you-connect-with-close-friends-and-family/

1. Instagram for Creators, Introducing Broadcast Channels, February 16, 2023. https://creators.instagram.com/blog/introducing-broadcast-channels

Changelog

• 2026-08-18: First version drafted and reviewed.