As a fullstack developer, you're likely no stranger to working with binary data in your Node.js applications. Buffers are used for temporary storage and exchange of data between devices or processes, represented by the `Buffer` class. They can be created from strings, arrays, or Uint8Arrays using the `Buffer.from()` method. Common operations on buffers include writing with `write()`, reading with `read()`, and concatenating with `Buffer.concat()`.
A large retailer uses ML to deliver real-time product recommendations trained on purchase, browsing, and search data, integrated into its e-commerce stack; the article stresses that efficiently streaming and handling binary data at scale is essential to keep models current and generate timely, session-relevant suggestions.
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