· ai
Adapting the Facebook Reels RecSys AI Model Based on User Feedback
We’ve improved personalized video recommendations on Facebook Reels by moving beyond metrics such as likes and watch time and directly leveraging user feedback....
Source
Meta Engineering
6 posts from this source
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CSS at Scale With StyleX
Build a large enough website with a large enough codebase, and you’ll eventually find that CSS presents challenges at scale. It’s no different at Meta, which is...
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Python Typing Survey 2025: Code Quality and Flexibility As Top Reasons for Typing Adoption
The 2025 Typed Python Survey, conducted by contributors from JetBrains, Meta, and the broader Python typing community, offers a comprehensive look at the curren...
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DrP: Meta’s Root Cause Analysis Platform at Scale
Incident investigation can be a daunting task in today’s digital landscape, where large-scale systems comprise numerous interconnected components and dependenci...
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How We Built Meta Ray-Ban Display: From Zero to Polish
We’re going behind the scenes of the Meta Ray-Ban Display, Meta’s most advanced AI glasses yet. In a previous episode we met the team behind the Meta Neural Ban...
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How AI Is Transforming the Adoption of Secure-by-Default Mobile Frameworks
Meta’s secure-by-default frameworks wrap potentially unsafe OS and third-party functions, making security the default while preserving developer speed and usabi...