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INSPIRED, 2nd Edition by Marty Cagan

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CHAPTER 49Hybrid Prototype Technique

So far, we've explored user prototypes—which are pure simulations—feasibility prototypes for addressing technical risks, and live‐data prototypes designed to be able to collect evidence, or even statistically significant proof, as to the effectiveness of a product or an idea.

While these three categories of prototypes handle most situations well, a wide variety of hybrid prototypes also combine different aspects of each of these in different ways.

One of my favorite examples of a hybrid prototype—and an exceptionally powerful tool for learning quickly in product discovery—is today often referred to as a Wizard of Oz prototype. A Wizard of Oz prototype combines the front‐end user experience of a high‐fidelity user prototype but with an actual person behind the scenes performing manually what would ultimately be handled by automation.

A Wizard of Oz prototype is absolutely not scalable, and we would never send any significant amount of traffic to this. But the benefit from our perspective is that we can create this very quickly and easily, and from the user's perspective, it looks and behaves like a real product.

For example, imagine that today you have some sort of live chat–based help for your customers, but it's only available during the hours when your customer service staff is in the office. You know that your customers use ...

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