Instead of relying on focus groups, the NBA Jam team tested the game in a live arcade. The ultimate validation wasn't feedback, but behavior: customers crowded the machine, fought over it, and put in so many quarters that the coin doors jammed, providing undeniable proof of success.

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Instead of guarding prototypes, build a library of high-fidelity, interactive demos and give sales and customer success teams free reign to show them to customers. This democratizes the feedback process, accelerates validation, and eliminates the engineering burden of creating one-off sales demos.

Founder Jesse Cole largely ignores financial meetings, focusing instead on metrics that directly impact fan experience. He obsessively tracks merchandise line wait times, game speed, and trick plays, believing that optimizing these customer-facing KPIs is the true driver of long-term financial success.

For Nike's innovators, the ultimate measure of success isn't market performance but the user's genuine joy upon experiencing the product. This "athlete's smile" confirms that a meaningful problem has been solved, serving as a leading indicator that commercial success will naturally follow.

Product teams often fear showing prototypes because strong customer demand creates pressure. This mindset is flawed. Having customers eager to buy an unbuilt feature is a high-quality signal that validates your roadmap and is the best problem a product manager can have.

The announcer's high-energy, memorable voice was a strategic design choice that differentiated NBA Jam from other games in a loud arcade. This iconic sound cut through the bleeps and bloops of competing machines, drawing players in and contributing significantly to its success.

Programmer Mark Turmel, a Detroit Pistons fan, embedded his personal bias into NBA Jam's code. He secretly programmed the game to ensure the rival Chicago Bulls would always miss last-second, game-winning shots when playing against the Pistons, a hidden feature unknown to players for years.

The limited memory of early '90s arcade machines forced NBA Jam's voice lines to be extremely short. This technical limitation inadvertently led to the creation of punchy, memorable catchphrases like "He's on fire!" that defined the game's identity and became iconic.

Crisp.ai's founder advocates for selling a product before it's built. His team secured over $100,000 from 30 customers using only a Figma sketch. This approach provides the strongest form of market validation, proving customer demand and significantly strengthening a startup's position when fundraising with VCs.

To truly validate their idea, Moonshot AI's founders deliberately sought negative feedback. This approach of "trying to get the no's" ensures honest market signals, helping them avoid the trap of false positive validation from contacts who are just being polite.

The game's impact created a cultural feedback loop. Phrases like "Boom-shaka-laka" and "He's heating up," invented for the arcade, were adopted by real-life basketball commentators, demonstrating how a successful product can actively shape the culture it originally sought to emulate.