---
title: "Discussion on \"Bloom Filters\" | Hashnode"
description: "Discussion on \"Bloom Filters\". Instagram wants to recommend reels to you. But does it make sense to recommend a reel you've already watched? No. You'd see the exact same video you saw an hour ago. That's a terrible experience.\nSo w"
url: "https://hashnode.com/posts/bloom-filters/6a3e5f0980478577db5c241f"
---

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Discussion

# [Bloom Filters](https://pulkitxm.hashnode.dev/bloom-filters?utm_source=hashnode&utm_medium=feed)

Instagram wants to recommend reels to you. But does it make sense to recommend a reel you've already watched? No. You'd see the exact same video you saw an hour ago. That's a terrible experience. So w

Jan 24 · 14 min read · pulkitxm.hashnode.dev  
Read the article

-   [#system-design](https://hashnode.com/tag/system-design)
-   [#data-structures](https://hashnode.com/tag/data-structures)
-   [#bloom-filters](https://hashnode.com/tag/bloom-filters)
-   [#probabilistic](https://hashnode.com/tag/probabilistic)
-   [#redis](https://hashnode.com/tag/redis)

## Written by

[Pulkit](https://hashnode.com/@pulkitxm)

@pulkitxm · New Delhi, India

  
[View profile](https://hashnode.com/@pulkitxm)

Junior Software Engineer trying tinker around in web

Hi there! 👋 I'm Pulkit, a passionate web and app developer specializing in MERN and React Native technologies. With a keen interest in open-source contributions and competitive programming, I love building innovative solutions and sharing my knowledge with the community. Follow along for insights, tutorials, and updates on my coding journey!

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