interest-graph

1 free lesson tagged interest-graph across AI. Each one is a short sequence of focused steps with narration and a five-question quiz at the end — take them in any order, no signup required.

intermediate

Cold start, interest graphs, and why feeds differ

Why a brand new post can reach millions on one platform and nothing on another. Learn the cold-start problem and why collaborative filtering cannot solve it alone, how content embeddings let a system rank an item nobody has touched, the difference between a social graph and an interest graph, and what actually separates YouTube, TikTok, Instagram and Pinterest.

8 steps·~12 min

Cold start, interest graphs, and why feeds differ

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