How Does the #algorithm Know What You Want?

Oxford Saïd Business School
Oxford Saïd Business SchoolApr 10, 2026

Why It Matters

Because recommendation algorithms dictate content visibility, mastering their mechanics directly impacts audience reach, revenue potential, and competitive advantage for creators and businesses.

Key Takeaways

  • Recommendation engines blend supervised, unsupervised, and reinforcement learning.
  • Implicit signals like watch time guide algorithmic content ranking.
  • Explicit actions—likes, shares—directly influence your personalized platform feeds.
  • Platforms aim to maximize user attention and stickiness.
  • Understanding algorithms is crucial for creators and marketers.

Summary

Dr. Alex Connock, a media and AI specialist at Oxford, breaks down how recommendation algorithms decide what content appears on platforms such as YouTube, Spotify, Instagram, TikTok and Netflix. He frames the discussion as a two‑way conversation between users and models, highlighting the blend of machine‑learning techniques that power modern feeds.

The lecture outlines three core learning approaches: supervised learning, where users label preferences; unsupervised learning, which clusters audiences into latent groups; and reinforcement learning, which rewards the model for maximizing watch time and platform stickiness. Both implicit signals—view duration, scroll behavior—and explicit signals—likes, shares, comments—feed the algorithm, shaping the ranking of videos, songs, or shows.

Connock emphasizes that the algorithm’s objective is to keep users engaged, using reinforcement loops that serve increasingly tailored content. He cites concrete examples, such as TikTok’s “For You” page and Netflix’s recommendation carousel, to illustrate how these signals translate into personalized streams.

For creators, marketers and product managers, grasping these mechanisms is essential to optimize content strategy, forecast performance, and navigate the creator economy’s algorithm‑driven landscape.

Original Description

Find out how your favourite social platforms learn what you like and feed it straight to you using different methods of learning through and AI agent.
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