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Instagram

A photo and video sharing social app built around creators, Stories, Reels and feeds.

instagram.comApp Store38 sources79 tips
In short

Instagram won by protecting its main feed (about 80% of use), cloning Snap's Stories and making them better, and fixing forward after IGTV flopped, as Reels followed. Missteps: Reels launched on a low-read-through surface cost timing against TikTok, and a 4% iOS feed test snowballed into backlash. For builders: guard the core surface, copy and improve, and plan for leaks.

At a glanceInstagram's main feed dwarfs any gain from improving Explore
Main feed80%
Explore today10%
Explore, improved15%

share of Instagram usage

From Adam Mosseri on Instagram's feed

What was said about Instagram

1From IGTV's flop to Reels built on Stories

  • IGTV failed on wrong assumptions, then Reels succeeded once those were dropped. IGTV was a big flop because it baked in wrong assumptions and held onto some constraints. The team changed those assumptions and redid the idea as Reels, which became very successful.

    Ian Silber, who spent eight years at Instagram, frames it as a lesson in reacting and listening to users: "Not what you shipped one time but how you fix forward."

  • Building the first Reels on Stories cost Instagram its timing against TikTok. The 2019 Reels was built on top of Stories to reuse existing primitives, but Stories have low read-through, so most Reels went unseen and then disappeared. Instagram was out of position when TikTok surged during the 2020 pandemic.

    Adam Mosseri calls it a big fork in the road for the business. The lesson: do not launch a new format on a surface people rarely read through.

2How Instagram ranks the feed

  • The main feed carries most usage, so protect it and resist extra tabs. Instagram's main feed drew about 80% of use, and a better Explore tab might only move Explore from 10% to 15%. Surface usage follows a power law, so make the main experience great and use it as the entry point to others.

    Fold in successful experiments once proven without killing them too early. "Half of the job is saying no to another thing in the sidebar or another tab."

  • A chronological default lowered usage and satisfaction, so Instagram ranks instead. When chronological was made the default, usage went down and large-scale surveys showed satisfaction dropping over months. Pure recency rewards posting volume, so publishers like the New York Times crowd out a friend who posts weekly.

    Mosseri treats recency as one input to relevance and says designing these systems is "almost like designing a city": ask what incentives the mechanics create.

  • Exploration ranking gives small and niche creators a path to an audience. Exploitation ranking shows what many people already like and moves engagement easily. Exploration tests content on people who might like something they don't yet know, such as showing Afrojack to a Bieber fan.

    Inspired by TikTok, Instagram invested in originality, breakout content and recency, and believes it is ahead of TikTok in a couple of these areas.

  • "Your algorithm" uses an LLM to describe embeddings so users can edit them. Recommenders run on embedding vectors humans cannot read. Instagram has an LLM describe a region of a user's embedding map in words, such as "deep pourover coffee snobbery", then lets users add or remove those topics.

    Mosseri says the algorithm knew less about people than they assumed, and LLMs are closing that gap. Next steps include non-topical controls like more fun content or fewer photos in a row.

3Betting on authentic creators as AI content floods feeds

  • Instagram bets AI abundance pushes people toward real creators. Mosseri expects people to seek out creativity, point of view and the person behind content "more, not less", which favors the largest creator platform. Instagram counts creators broadly, including journalists, artists and shop owners.

    This rests on belief about what people will want: no usage data is shown, and Mosseri admits Instagram is not yet good at ranking AI content.

  • Label AI content and show account context rather than filtering it. Mosseri would tell users whether content is AI and show more about the poster, such as profile age and name changes, so they can decide whom to trust.

    Since AI detection may weaken as models improve, labeling camera-captured content may be more practical long term, and platforms should be honest about their confidence.

4Small pods and the product staff role

  • Meta replaced 13-person teams with pods of four to six engineers. The old shape had 2 to 3 each of Android, iOS and server engineers plus PM, designer, data scientist and researcher. Pods now have four to six engineers and a product staff lead, with core teams of about six or seven.

    Specialists join only when the work needs them, such as a senior data scientist for pricing or a senior designer for a novel experience. Fewer people means "a little bit less design by committee." No results comparing pods to old teams are given.

  • Product staff is an evolved PM who also does design, data and research. A pod can run with four engineers and one product staff and no dedicated specialists. A Reels creation drop-off waterfall that needed a data scientist a year earlier can now be pulled by product staff with internal tools.

    Strong designers often make strong product staff because they already hold views on strategy, business and go-to-market; senior Instagram designer Nate just transferred into the role.

  • With building cheap, the leverage is deciding what to build. Mosseri says taste is hard to automate, so he stays long on designers even as roles blur. Strategy must be controversial enough that a reasonable person could disagree, or you only compete on execution.

    An AI asked lazily for strategy gives the predictable answer competitors expect; it needs steering on constraints like talent, regulation and brand.

5Copying Snapchat

  • Instagram copied Snap's features, and made Stories better than the original. Instagram launched an Instagram Plus subscription right after Snapchat Plus passed 25 million subscribers. Peter Sellis credits Stories' success to great design and Mosseri's taste, while features like the map fit Instagram less well.

    Evan Spiegel's response is to assume any software feature gets cloned and build hard-to-copy ecosystems: creator relationships, an AR platform with millions of developer-built lenses, and vertically integrated hardware.

6Changing a product used by three billion people

  • Plan what to say when a controversial test leaks, because it will. A video-viewer feed redesign test shown to 4% of iOS users was conflated with Reels, recommendations and creator reach complaints, and snowballed through creators and press.

    The team now decides before testing what to say and whether to speak proactively or reactively: "not if it leaks, when it leaks, what are we saying?"

  • Explain trade-offs publicly for onlookers, not to convert critics. Mosseri engages in public debates because they happen with or without the company, laying out what is being done, why, and the trade-offs. He started this with the 2009 News Feed redesign.

    He puts criticism in perspective by comparing a redesign to rearranging someone's desk without warning.

7Instagram's culture and leadership habits

  • Instagram was design-led and slow on purpose: do the simple thing first. Under Kevin Systrom, Instagram kept a simple product for billions of users and changed it less than peers. That pace worked for most of its stages but would not suit OpenAI's current stage.

    Ian Silber's advice is to carry useful habits across companies but work with each company's DNA instead of trying to change it.

  • Lead as a curator and build leadership teams on trust. Mosseri sees strong product leaders building an environment where good ideas bubble up and get chosen. When forming a leadership group across engineering, product, data science, design and research, check complementary skills plus trust and rapport.

    Sometimes two great people cannot work together and should be split.

  • New managers at Meta started by shipping as ICs. Fiona Fung spent her first quarter on each Meta team shipping and learning the code before managing, across infrastructure, growth, integrity and safety teams.

    Teammates said they appreciated her using what they built.

8Using Reels as a UGC channel for apps

  • Judge a format by the share watching past 3 seconds. Jay checks Instagram's 3-second retention stat with engagement; a format that consistently holds 75 to 80% past 3 seconds will go viral eventually, with average watch time of 6 to 10 seconds.

    All his good formats hold at least 70%. Before launching, Nick Lawton searches TikTok and Instagram competitor accounts for formats to remix by 10 to 20%, since exact copies from warmed-up accounts often fail on a new account.

  • Reels views often fail to convert, from clickbait or foreign audiences. Instagram mostly rewards watch time, so a clickbait hook like "a girl in my hostel showed me this" pulled 300k views but only 174 likes and 8 comments. StudyFetch had Reels go viral that converted close to nothing.

    Reels push videos to countries with lower conversion or where TikTok is banned. Kieran says TikTok is higher intent because Instagram is where people relax; aim for over 80% US viewers, and non-US creators should prefer TikTok.

9The automated Instagram comment campaign

In a pictureAutomated comments on rising videos funnel viewers to app links
  1. 1Warm up accountHarmless comments, no CTA first
  2. 2Comment earlyRising videos with engaged threads
  3. 3Hook, soft mentionFits video, admits founder ties
  4. 4Visit branded profileBio and clip sell the app
  5. 5Click the link15% profile-to-link is good

From Nick and Ivan's comment campaign

  • About 300,000 automated comments produced roughly 7,000 clicks. Nick and Ivan's campaign posted comments across many accounts; about 5,000 profile activities led to about 750 link clicks, and they project a 4x return. They treat 15% profile-to-link clickthrough as a good benchmark.

    Bad campaigns land near 3% and the best reach 50 to 60%. Only a tiny share of comments get enough exposure to matter, so early on change angles completely, not slightly.

    StudyFetch Creators site, the inbound application page paired with outbound creator recruiting.
    StudyFetch Creators site, the inbound application page paired with outbound creator recruiting.
  • Comments that fit the video and admit founder ties converted best. Comments respond to the video and the thread, open with a story or hook, and end with a soft mention like "Now I use an app for my exercises." A calorie comment saying the app was built by "my friends and me" reached 800 likes.

    They run parallel angles: answer then add a CTA, ask and name-drop, story with no CTA, or point to a clip on the profile, since many people will watch one more video before installing. Profiles are branded for the app with test bios like "fitness and tech" vs "I founded this app."

    Study Fetch creator's Instagram Reel 'What is voltage?' with 1,104 likes and comments, showing the AI tutor.
    Study Fetch creator's Instagram Reel 'What is voltage?' with 1,104 likes and comments, showing the AI tutor.
  • Comment early on rising videos with engaged threads, filtered by AI. Being among the first comments on a trending video lets a comment sit on top; old videos are skipped. AI prompts analyze each video and comment section, targeting people who ask questions or state opinions.

  • One phone identity per account plus warm-up comments avoids detection. A custom Android loads and unloads the whole ROM so each account looks like its own phone, running 12 to 24 accounts per phone per day, each posting up to 60 comments. Harmless comments with no CTA warm accounts up, like cold email inboxes.

    One angle worked for two weeks, then Instagram began blocking it with no change on their side; rotating angles and prompts fixed it. They run 60 devices, though 1,000 would yield about 21 million comments a month.

10Passing mentions

  • Quitting Instagram flips how people feel about it. Mark Pincus says people now talk about getting off Instagram like quitting smoking, with NPS falling from plus 35 to minus 35 for those who quit Facebook and Instagram.

    He also cites Instagram's camera as a best-of-breed benchmark to learn from.

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