Personalization at scale sounds like a content problem. It is almost always a plumbing problem - and that plumbing is the layer I own at MasterClass.
The full study covers the architecture across Segment, Snowflake, Iterable and Salesforce, what I own day to day, and the parts that are hard: identity resolution, schema governance, and keeping a thousand-plus journeys from talking over each other.
My MasterClass work covers internal architecture, tooling and numbers, so the full write-up is shared on request rather than published openly. Email me and I’ll send the passphrase - usually the same day.
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One passphrase unlocks every MasterClass study on this site.